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Ontario - Wikipedia Ontario Jump to : navigation , search This article is about the Canadian province . For other uses , see Ontario ( disambiguation ) . <Th_colspan="2"> Ontario Province of Ontario Province de l'Ontario ( French ) <Td_colspan="2"> Flag Coat of arms <Td_colspan="2"> Motto : Ut Incepit Fidelis Sic Permanet ( Latin ) ( `` Loyal she began , loyal she remains '' ) <Td_colspan="2"> BC AB SK MB ON QC NB PE NS NL YT NT NU Confederation July 1 , 1867 ( 1st , with QC , NS , NB ) Capital Toronto Largest city Toronto Largest metro Greater Toronto Area <Td_colspan="2"> <Th_colspan="2"> Government Type Constitutional monarchy Lieutenant Governor Elizabeth Dowdeswell Premier Kathleen Wynne ( Liberal ) Legislature Legislative Assembly of Ontario Federal representation ( in Canadian Parliament ) House seats 121 of 338 ( 35.8 % ) Senate seats 24 of 105 ( 22.9 % ) <Td_colspan="2"> <Th_colspan="2"> Area Total 1,076,395 km ( 415,598 sq mi ) Land 917,741 km ( 354,342 sq mi ) Water 158,654 km ( 61,257 sq mi ) 14.7 % Area rank Ranked 4th 10.8 % of Canada <Th_colspan="2"> Population ( 2016 ) Total 13,448,494 Estimate ( 2017 Q3 ) 14,193,384 Rank Ranked 1st Density 14.65 / km ( 37.9 / sq mi ) Demonym ( s ) Ontarian Official languages English <Td_colspan="2"> <Th_colspan="2"> GDP Rank 1st Total ( 2015 ) C $763.276 billion Per capita C $55,322 ( 7th ) Time zone Eastern : UTC - 5 / - 4 ( east of 90th meridian west , and Pickle Lake ) Eastern : UTC - 5 ( Atikokan ; does not observe DST ) Central : UTC - 6 / - 5 ( west of 90th meridian west , ex . Pickle Lake & Atikokan ) Postal abbr . ON Postal code prefix ISO 3166 code CA - ON Flower White Trillium Tree Eastern White Pine Bird Common loon Website www.ontario.ca <Td_colspan="2"> Rankings include all provinces and territories Ontario ( / ɒnˈtɛərioʊ / ( listen ) ; French : ( ɔ̃taʁjo ) ) , one of the 13 provinces and territories of Canada , is located in east - central Canada . It is Canada 's most populous province accounting for nearly 40 percent of the country 's population , and is the second - largest province in total area . Ontario is fourth - largest in total area when the territories of the Northwest Territories and Nunavut are included . It is home to the nation 's capital city , Ottawa , and the nation 's most populous city , Toronto . Ontario is bordered by the province of Manitoba to the west , Hudson Bay and James Bay to the north , and Quebec to the east and northeast , and to the south by the U.S. states of ( from west to east ) Minnesota , Michigan , Ohio , Pennsylvania and New York . Almost all of Ontario 's 2,700 km ( 1,678 mi ) border with the United States follows inland waterways : from the west at Lake of the Woods , eastward along the major rivers and lakes of the Great Lakes / Saint Lawrence River drainage system . These are the Rainy River , the Pigeon River , Lake Superior , the St. Marys River , Lake Huron , the St. Clair River , Lake St. Clair , the Detroit River , Lake Erie , the Niagara River , Lake Ontario and along the St. Lawrence River from Kingston , Ontario , to the Quebec boundary just east of Cornwall , Ontario . There is only about 1 km ( 0.6 mi ) of land border made up of portages including Height of Land Portage on the Minnesota border . Ontario is sometimes conceptually divided into two regions , Northern Ontario and Southern Ontario . The great majority of Ontario 's population and arable land is located in the south . In contrast , the larger , northern part of Ontario is sparsely populated with cold winters and heavy forestation . Contents ( hide ) 1 Etymology 2 Geography 2.1 Climate 3 History 3.1 Territorial evolution 3.2 European contact 3.3 Upper Canada 3.4 Canada West 3.5 Provincehood 4 Demographics 4.1 Religion 4.2 Language 5 Economy 5.1 Agriculture 5.2 Energy 6 Government , law and politics 6.1 Law 6.2 Politics 6.3 Urban areas 7 Education 7.1 Higher education 8 Culture 8.1 Songs and slogans 8.2 Notable residents 8.3 Professional sports 9 Transportation 9.1 Roads 9.2 Waterways 9.3 Railways 9.4 Air travel 10 See also 11 Notes 12 References 13 Further reading 14 External links Etymology ( edit ) The province is named after Lake Ontario , a term thought to be derived from Ontarí : io , a Huron ( Wyandot ) word meaning `` great lake '' , or possibly skanadario , which means `` beautiful water '' in the Iroquoian languages . Ontario has about 250,000 freshwater lakes . Geography ( edit ) Main article : Geography of Ontario See also : Census divisions of Ontario and Geography of Canada See also : List of parks and protected areas of Ontario Algonquin Provincial Park , Cache Lake in the autumn of 2006 . The province consists of three main geographical regions : The thinly populated Canadian Shield in the northwestern and central portions , which comprises over half the land area of Ontario . Although this area mostly does not support agriculture , it is rich in minerals and in part covered by the Central and Midwestern Canadian Shield forests , studded with lakes and rivers . Northern Ontario is subdivided into two sub-regions : Northwestern Ontario and Northeastern Ontario . The virtually unpopulated Hudson Bay Lowlands in the extreme north and northeast , mainly swampy and sparsely forested . Southern Ontario which is further sub-divided into four regions ; Central Ontario ( although not actually the province 's geographic centre ) , Eastern Ontario , Golden Horseshoe and Southwestern Ontario ( parts of which were formerly referred to as Western Ontario ) . Despite the absence of any mountainous terrain in the province , there are large areas of uplands , particularly within the Canadian Shield which traverses the province from northwest to southeast and also above the Niagara Escarpment which crosses the south . The highest point is Ishpatina Ridge at 693 metres ( 2,274 ft ) above sea level located in Temagami , Northeastern Ontario . In the south , elevations of over 500 m ( 1,640 ft ) are surpassed near Collingwood , above the Blue Mountains in the Dundalk Highlands and in hilltops near the Madawaska River in Renfrew County . The Carolinian forest zone covers most of the southwestern region of the province . The temperate and fertile Great Lakes - Saint Lawrence Valley in the south is part of the Eastern Great Lakes lowland forests ecoregion where the forest has now been largely replaced by agriculture , industrial and urban development . A well - known geographic feature is Niagara Falls , part of the Niagara Escarpment . The Saint Lawrence Seaway allows navigation to and from the Atlantic Ocean as far inland as Thunder Bay in Northwestern Ontario . Northern Ontario occupies roughly 87 percent of the surface area of the province ; conversely Southern Ontario contains 94 percent of the population . Point Pelee is a peninsula of Lake Erie in southwestern Ontario ( near Windsor and Detroit , Michigan ) that is the southernmost extent of Canada 's mainland . Pelee Island and Middle Island in Lake Erie extend slightly farther . All are south of 42 ° N -- slightly farther south than the northern border of California . Climate ( edit ) See also : Geography of Ontario § Climate Köppen climate types of Ontario Summer at Sandbanks Provincial Park on Lake Ontario . The climate of Ontario varies by season and location . It is affected by three air sources : cold , dry , arctic air from the north ( dominant factor during the winter months , and for a longer part of the year in far northern Ontario ) ; Pacific polar air crossing in from the western Canadian Prairies / US Northern Plains ; and warm , moist air from the Gulf of Mexico and the Atlantic Ocean . The effects of these major air masses on temperature and precipitation depend mainly on latitude , proximity to major bodies of water and to a small extent , terrain relief . In general , most of Ontario 's climate is classified as humid continental . Ontario has three main climatic regions . The surrounding Great Lakes greatly influence the climatic region of southern Ontario . During the fall and winter months , heat stored from the lakes is released , moderating the climate near the shores of the lakes . This gives some parts of southern Ontario milder winters than mid-continental areas at lower latitudes . Parts of Southwestern Ontario ( generally south of a line from Sarnia - Toronto ) have a moderate humid continental climate ( Köppen climate classification Dfa ) , similar to that of the inland Mid-Atlantic states and the Great Lakes portion of the Midwestern United States . The region has warm to hot , humid summers and cold winters . Annual precipitation ranges from 750 -- 1,000 mm ( 30 -- 39 in ) and is well distributed throughout the year . Most of this region lies in the lee of the Great Lakes , making for abundant snow in some areas . In December 2010 , the snowbelt set a new record when it was hit by more than a metre of snow within 48 hours . The next climatic region is Central and Eastern Ontario which has a moderate humid continental climate ( Köppen Dfb ) . This region has warm and sometimes hot summers with colder , longer winters , ample snowfall ( even in regions not directly in the snowbelts ) and annual precipitation similar to the rest of Southern Ontario . The Niagara Escarpment on the Bruce Peninsula . In the northeastern parts of Ontario , extending far as south as Kirkland Lake , the cold waters of Hudson Bay depress summer temperatures , making it cooler than other locations at similar latitudes . The same is true on the northern shore of Lake Superior , which cools hot humid air from the south , leading to cooler summer temperatures . Along the eastern shores of Lake Superior and Lake Huron winter temperatures are slightly moderated but come with frequent heavy lake - effect snow squalls that increase seasonal snowfall totals upwards of 3 m ( 10 ft ) in some places . These regions have higher annual precipitation in some case over 100 cm ( 39 in ) . The northernmost parts of Ontario -- primarily north of 50 ° N -- have a subarctic climate ( Köppen Dfc ) with long , severely cold winters and short , cool to warm summers with dramatic temperature changes possible in all seasons . With no major mountain ranges blocking sinking Arctic air masses , temperatures of − 40 ° C ( − 40 ° F ) are not uncommon ; snowfall remains on the ground for sometimes over half the year . Snowfall accumulation can be high in some areas . Precipitation is generally less than 70 cm ( 28 in ) and peaks in the summer months in the form of showers or thunderstorms . Severe thunderstorms peak in summer . London , situated in Southern ( Southwestern ) Ontario , has the most lightning strikes per year in Canada , averaging 34 days of thunderstorm activity per year . In a typical year , Ontario averages 11 confirmed tornado touchdowns . However , over the last 4 years , it has had upwards of 20 tornado touchdowns per year , with the highest frequency occurring in the Windsor - Essex -- Chatham Kent area , though few are very destructive ( the majority between F0 to F2 on the Fujita scale ) . Ontario had a record 29 tornadoes in both 2006 and 2009 . Tropical depression remnants occasionally bring heavy rains and winds in the south , but are rarely deadly . A notable exception was Hurricane Hazel which struck Southern Ontario centred on Toronto , in October 1954 . Average daily maximum and minimum temperatures for selected locations in Ontario City July ( ° C ) July ( ° F ) January ( ° C ) January ( ° F ) Windsor ( Windsor International Airport ) 28 / 18 82 / 64 0 / - 7 31 / 19 Niagara Falls ( NPCSH ) 27 / 17 81 / 63 0 / - 8 30 / 18 Toronto ( The Annex ) 27 / 18 80 / 64 − 1 / − 7 30 / 20 Midland ( Water Pollution Control Plant ) 26 / 16 78 / 61 − 4 / - 13 25 / 8 Ottawa ( Ottawa Macdonald -- Cartier International Airport ) 27 / 16 80 / 60 − 6 / − 14 22 / 6 Sudbury ( Sudbury Airport ) 25 / 13 77 / 56 − 8 / − 19 18 / 0 Emo ( Emo Radbourne ) 25 / 11 77 / 52 − 9 / -- 22 15 / -- 9 Thunder Bay ( Thunder Bay International Airport ) 24 / 11 76 / 52 − 9 / − 21 18 / − 5 Kenora ( Kenora Airport ) 24 / 15 76 / 59 − 11 / − 21 12 / − 5 Moosonee ( UA ) 23 / 9 73 / 48 − 14 / - 26 8 / - 15 History ( edit ) Main articles : History of Ontario and Upper Canada Territorial evolution ( edit ) Evolution of the borders of Ontario . View full resolution for time - lapsed evolution Land was not legally subdivided into administrative units until a treaty had been concluded with the Aboriginal people ceding the land . In 1788 , while part of the Province of Quebec , southern Ontario was divided into four districts : Hesse , Lunenburg , Mecklenburg , and Nassau . In 1792 , the four districts were renamed : Hesse became the Western District , Lunenburg became the Eastern District , Mecklenburg became the Midland District , and Nassau became the Home District . Counties were created within the districts . By 1798 , there were eight districts : Eastern , Home , Johnstown , London , Midland , Newcastle , Niagara , and Western . By 1826 , there were eleven districts : Bathurst , Eastern , Gore , Home , Johnstown , London , Midland , Newcastle , Niagara , Ottawa , and Western . By 1838 , there were twenty districts : Bathurst , Brock , Colbourne , Dalhousie , Eastern , Gore , Home , Huron , Johnstown , London , Midland , Newcastle , Niagara , Ottawa , Prince Edward , Simcoe , Talbot , Victoria , Wellington , and Western . In 1849 , the districts of southern Ontario were abolished by the Province of Canada , and county governments took over certain municipal responsibilities . The Province of Canada also began creating districts in sparsely populated Northern Ontario with the establishment of Algoma District and Nipissing District in 1858 . The borders of Ontario , its new name in 1867 , were provisionally expanded north and west . When the Province of Canada was formed , its borders were not entirely clear , and Ontario claimed eventually to reach all the way to the Rocky Mountains and Arctic Ocean . With Canada 's acquisition of Rupert 's Land , Ontario was interested in clearly defining its borders , especially since some of the new areas in which it was interested were rapidly growing . After the federal government asked Ontario to pay for construction in the new disputed area , the province asked for an elaboration on its limits , and its boundary was moved north to the 51st parallel north . The northern and western boundaries of Ontario were in dispute after Canadian Confederation . Ontario 's right to Northwestern Ontario was determined by the Judicial Committee of the Privy Council in 1884 and confirmed by the Canada ( Ontario Boundary ) Act , 1889 of the Parliament of the United Kingdom . By 1899 , there were seven northern districts : Algoma , Manitoulin , Muskoka , Nipissing , Parry Sound , Rainy River , and Thunder Bay . Four more northern districts were created between 1907 and 1912 : Cochrane , Kenora , Sudbury and Timiskaming . European contact ( edit ) Statue of United Empire Loyalists in downtown Hamilton on Main Street East . Prior to the arrival of the Europeans , the region was inhabited by Algonquian ( Ojibwa , Cree and Algonquin ) in the northern / western portions , and Iroquois and Wyandot ( Huron ) tribes more in the south / east . During the 17th century , the Algonquians and Hurons fought the Beaver Wars against the Iroquois . The French explorer Étienne Brûlé explored part of the area in 1610 -- 12 . The English explorer Henry Hudson sailed into Hudson Bay in 1611 and claimed the area for England . Samuel de Champlain reached Lake Huron in 1615 , and French missionaries began to establish posts along the Great Lakes . French settlement was hampered by their hostilities with the Iroquois , who allied themselves with the British . From 1634 to 1640 , Hurons were devastated by European infectious diseases , such as measles and smallpox , to which they had no immunity . By 1700 , the Iroquois had seceded from Ontario and the Mississaugas of the Ojibwa had settled the north shore of Lake Ontario . The British established trading posts on Hudson Bay in the late 17th century and began a struggle for domination of Ontario . The 1763 Treaty of Paris ended the Seven Years ' War by awarding nearly all of France 's North American possessions ( New France ) to Britain . The region was annexed to Quebec in 1774 . The first European settlements were in 1782 -- 1784 when 5,000 American loyalists entered what is now Ontario following the American Revolution . The Kingdom of Great Britain granted them 200 acres ( 81 ha ) land and other items with which to rebuild their lives . The British also set up reservations in Ontario for the Mohawks who had fought for the British and had lost their land in New York state . Other Iroquois were resettled in 1784 at the Six Nations reserve at the west end of Lake Ontario . The population of Canada west of the St. Lawrence - Ottawa River confluence substantially increased during this period , a fact recognized by the Constitutional Act of 1791 , which split Quebec into the Canadas : Upper Canada southwest of the St. Lawrence - Ottawa River confluence , and Lower Canada east of it . John Graves Simcoe was appointed Upper Canada 's first Lieutenant governor in 1793 . Upper Canada ( edit ) Main article : Upper Canada American troops in the War of 1812 invaded Upper Canada across the Niagara River and the Detroit River , but were defeated and pushed back by the British , Canadian fencibles and militias , and First Nations warriors . However , eventually the Americans gained control of Lake Erie and Lake Ontario . During the Battle of York in 1813 , American troops occupied the Town of York . The Americans looted the town and burned the Parliament Buildings during the brief occupation . After the War of 1812 , relative stability allowed for increasing numbers of immigrants to arrive from Europe rather than from the United States . As was the case in the previous decades , this immigration shift was encouraged by the colonial leaders . Despite affordable and often free land , many arriving newcomers , mostly from Britain and Ireland , found frontier life with the harsh climate difficult , and some of those with the means eventually returned home or went south . However , population growth far exceeded emigration in the decades that followed . It was a mostly agrarian - based society , but canal projects and a new network of plank roads spurred greater trade within the colony and with the United States , thereby improving previously damaged relations over time . Lower Ontario in 1718 , Guillaume de L'Isle map , approximate province area highlighted . Meanwhile , Ontario 's numerous waterways aided travel and transportation into the interior and supplied water power for development . As the population increased , so did the industries and transportation networks , which in turn led to further development . By the end of the century , Ontario vied with Quebec as the nation 's leader in terms of growth in population , industry , arts and communications . Unrest in the colony began to chafe against the aristocratic Family Compact who governed while benefiting economically from the region 's resources , and who did not allow elected bodies power . This resentment spurred republican ideals and sowed the seeds for early Canadian nationalism . Accordingly , rebellion in favour of responsible government rose in both regions ; Louis - Joseph Papineau led the Lower Canada Rebellion and William Lyon Mackenzie led the Upper Canada Rebellion . Canada west ( edit ) Main article : Province of Canada Although both rebellions were put down in short order , the British government sent Lord Durham to investigate the causes of the unrest . He recommended that self - government be granted and that Lower and Upper Canada be re-joined in an attempt to assimilate the French Canadians . Accordingly , the two colonies were merged into the Province of Canada by the Act of Union 1840 , with the capital at Kingston , and Upper Canada becoming known as Canada West . Parliamentary self - government was granted in 1848 . There were heavy waves of immigration in the 1840s , and the population of Canada West more than doubled by 1851 over the previous decade . As a result , for the first time the English - speaking population of Canada West surpassed the French - speaking population of Canada East , tilting the representative balance of power . An economic boom in the 1850s coincided with railway expansion across the province , further increasing the economic strength of Central Canada . With the repeal of the Corn Laws and a reciprocity agreement in place with United States , various industries such as timber , mining , farming and alcohol distilling benefited tremendously . A political stalemate between the French - and English - speaking legislators , as well as fear of aggression from the United States during and immediately after the American Civil War , led the political elite to hold a series of conferences in the 1860s to effect a broader federal union of all British North American colonies . The British North America Act took effect on July 1 , 1867 , establishing the Dominion of Canada , initially with four provinces : Nova Scotia , New Brunswick , Quebec and Ontario . The Province of Canada was divided into Ontario and Quebec so that each linguistic group would have its own province . Both Quebec and Ontario were required by section 93 of the British North America Act to safeguard existing educational rights and privileges of Protestant and the Catholic minority . Thus , separate Catholic schools and school boards were permitted in Ontario . However , neither province had a constitutional requirement to protect its French - or English - speaking minority . Toronto was formally established as Ontario 's provincial capital . Provincehood ( edit ) Downtown London at night . Celebrating V-E Day in Ottawa in 1945 Toronto , the capital of Ontario Once constituted as a province , Ontario proceeded to assert its economic and legislative power . In 1872 , the lawyer Oliver Mowat became Premier of Ontario and remained as premier until 1896 . He fought for provincial rights , weakening the power of the federal government in provincial matters , usually through well - argued appeals to the Judicial Committee of the Privy Council . His battles with the federal government greatly decentralized Canada , giving the provinces far more power than John A. Macdonald had intended . He consolidated and expanded Ontario 's educational and provincial institutions , created districts in Northern Ontario , and fought to ensure that those parts of Northwestern Ontario not historically part of Upper Canada ( the vast areas north and west of the Lake Superior - Hudson Bay watershed , known as the District of Keewatin ) would become part of Ontario , a victory embodied in the Canada ( Ontario Boundary ) Act , 1889 . He also presided over the emergence of the province into the economic powerhouse of Canada . Mowat was the creator of what is often called Empire Ontario . Beginning with Sir John A. Macdonald 's National Policy ( 1879 ) and the construction of the Canadian Pacific Railway ( 1875 -- 1885 ) through Northern Ontario and the Canadian Prairies to British Columbia , Ontario manufacturing and industry flourished . However , population increase slowed after a large recession hit the province in 1893 , thus slowing growth drastically but for only a few years . Many newly arrived immigrants and others moved west along the railway to the Prairie Provinces and British Columbia , sparsely settling Northern Ontario . Mineral exploitation accelerated in the late 19th century , leading to the rise of important mining centres in the northeast , such as Sudbury , Cobalt and Timmins . The province harnessed its water power to generate hydro - electric power and created the state - controlled Hydro - Electric Power Commission of Ontario , later Ontario Hydro . The availability of cheap electric power further facilitated the development of industry . The Ford Motor Company of Canada was established in 1904 . General Motors Canada was formed in 1918 . The motor vehicle industry became the most lucrative industry for the Ontario economy during the 20th century . In July 1912 , the Conservative government of Sir James Whitney issued Regulation 17 which severely limited the availability of French - language schooling to the province 's French - speaking minority . French Canadians reacted with outrage , journalist Henri Bourassa denouncing the `` Prussians of Ontario '' . The regulation was eventually repealed in 1927 . Influenced by events in the United States , the government of Sir William Hearst introduced prohibition of alcoholic drinks in 1916 with the passing of the Ontario Temperance Act . However , residents could distill and retain their own personal supply , and liquor producers could continue distillation and export for sale , allowing this already sizeable industry to strengthen further . Ontario became a hotbed for the illegal smuggling of liquor and the biggest supplier into the United States , which was under complete prohibition . Prohibition in Ontario came to an end in 1927 with the establishment of the Liquor Control Board of Ontario under the government of Howard Ferguson . The sale and consumption of liquor , wine , and beer are still controlled by some of the most extreme laws in North America to ensure that strict community standards and revenue generation from the alcohol retail monopoly are upheld . In April 2007 , Ontario Member of Provincial Parliament Kim Craitor suggested that local brewers should be able to sell their beer in local corner stores ; however , the motion was quickly rejected by Premier Dalton McGuinty . The post-World War II period was one of exceptional prosperity and growth . Ontario has been the recipients of most immigration to Canada , largely immigrants from war - torn Europe in the 1950s and 1960s and following changes in federal immigration law , a massive influx of non-Europeans since the 1970s . From a largely ethnically British province , Ontario has rapidly become culturally very diverse . The nationalist movement in Quebec , particularly after the election of the Parti Québécois in 1976 , contributed to driving many businesses and English - speaking people out of Quebec to Ontario , and as a result Toronto surpassed Montreal as the largest city and economic centre of Canada . Depressed economic conditions in the Maritime Provinces have also resulted in de-population of those provinces in the 20th century , with heavy migration into Ontario . Ontario 's official language is English . Numerous French language services are available under the French Language Services Act of 1990 in designated areas where sizeable francophone populations exist . Demographics ( edit ) Main article : Demographics of Ontario <Th_colspan="3"> Historical populations Year Pop . ± % 1851 952,004 -- 1861 1,396,091 + 46.6 % 1871 1,620,851 + 16.1 % 1881 1,926,922 + 18.9 % 1891 2,114,321 + 9.7 % 1901 2,182,947 + 3.2 % 1911 2,527,292 + 15.8 % 1921 2,933,662 + 16.1 % 1931 3,431,683 + 17.0 % 1941 3,787,655 + 10.4 % 1951 4,597,542 + 21.4 % 1956 5,404,933 + 17.6 % 1961 6,236,092 + 15.4 % 1966 6,960,870 + 11.6 % 1971 7,703,105 + 10.7 % 1976 8,264,465 + 7.3 % 1981 8,625,107 + 4.4 % 1986 9,101,695 + 5.5 % 1991 10,084,885 + 10.8 % 10,753,573 + 6.6 % 2001 11,410,046 + 6.1 % 2006 12,160,282 + 6.6 % 2011 12,851,821 + 5.7 % 2016 13,448,494 + 4.6 % <Td_colspan="3"> Source : Statistics Canada In the 2011 census , Ontario had a population of 12,851,821 living in 4,887,508 of its 5,308,785 total dwellings , a 5.7 percent change from its 2006 population of 12,160,282 . With a land area of 908,607.67 km ( 350,815.38 sq mi ) , it had a population density of 14.1 / km ( 36.6 / sq mi ) in 2011 . In 2013 , Statistics Canada estimated the province 's population to be 13,537,994 . The percentages given below add to more than 100 percent because of dual responses ( e.g. , `` French and Canadian '' response generates an entry both in the category `` French Canadian '' and in the category `` Canadian '' ) . The majority of Ontarians are of English or other European descent including large Scottish , Irish and Italian communities . Slightly less than 5 percent of the population of Ontario is Franco - Ontarian , that is those whose native tongue is French , although those with French ancestry account for 11 percent of the population . In relation to natural increase or inter-provincial migration , immigration is a huge population growth force in Ontario , as it has been over the last two centuries . More recent sources of immigrants with large or growing communities in Ontario include South Asians , Caribbeans , Latin Americans , Europeans , Asians , and Africans . Most populations have settled in the larger urban centres . In 2011 , 25.9 percent of the population consisted of visible minorities and 2.4 percent of the population was Aboriginal , mostly of First Nations and Métis descent . There was also a small number of Inuit people in the province . The number of Aboriginal people and visible minorities has been increasing at a faster rate than the general population of Ontario . Religion ( edit ) In 2011 , the largest religious denominations in Ontario were the Roman Catholic Church ( with 31.4 % of the population ) , the United Church of Canada ( 7.5 % ) , and the Anglican Church ( 6.1 % ) . 23.1 % of Ontarians had no religious affiliation , making it the second - largest religious grouping in the province after Roman Catholics . The major religious groups in Ontario in 2011 were : Religion People % Total 12,651,795 100 Catholic 3,976,610 31.4 No religious affiliation 2,927,790 23.1 Protestant 2,668,665 21.1 Other Christians 1,224,300 9.7 Muslim 581,950 4.6 Hindu 366,720 2.9 Christian Orthodox 297,710 2.4 Jewish 195,540 1.5 Sikh 179,765 1.4 Buddhist 163,750 1.3 Other Religions 68,985 0.5 Language ( edit ) See also : Franco - Ontarian The principal language of Ontario is English , the province 's de facto official language , which is spoken natively by about 70 % of the province 's population , according to the 2011 census . There is also a French - speaking population concentrated in the northeastern , eastern , and extreme Southern parts of the province , where under the French Language Services Act , provincial government services are required to be available in French if at least 10 % of a designated area 's population report French as their native language . Roughly 4 % of Ontarians speak French as their mother tongue , and 11 % are bilingual , speaking both English and French , according to the 2011 census . Other languages spoken by residents include Arabic , Bengali , Cantonese , Dutch , German , Greek , Gujarati , Hindi , Italian , Korean , Mandarin , Persian , Polish , Portuguese , Punjabi , Russian , Somali , Spanish , Tagalog , Tamil , Urdu and Vietnamese . Economy ( edit ) Main article : Economy of Ontario Ship in Hamilton Harbour . The manufacturing sector is a major employer in Ontario . Ontario is Canada 's leading manufacturing province , accounting for 52 % of the total national manufacturing shipments in 2004 . Ontario 's largest trading partner is the American state of Michigan . As of April 2012 , Moody 's bond - rating agency rated Ontario debt at AA2 / stable , while S&P rated it AA - . Dominion Bond Rating Service rated it AA ( low ) in January 2013 . Long known as a bastion of Canadian manufacturing and financial solvency , Ontario 's public debt - to - GDP ratio is projected to be 37.5 % in fiscal year 2017 -- 2018 , compared to 26 % in 2007 -- 2008 . Ontario 's rivers make it rich in hydroelectric energy . In 2009 , Ontario Power Generation generated 70 percent of the electricity of the province , of which 51 percent is nuclear , 39 % is hydroelectric and 10 % is fossil - fuel derived . By 2025 , nuclear power is projected to supply 42 % , while fossil - fuel - derived generation is projected to decrease slightly over the next 20 years . Much of the newer power generation coming online in the last few years is natural gas or combined - cycle natural gas plants . OPG is not , however , responsible for the transmission of power , which is under the control of Hydro One . Despite its diverse range of power options , problems related to increasing consumption , lack of energy efficiency and aging nuclear reactors , Ontario has been forced in recent years to purchase power from its neighbours Quebec and Michigan to supplement its power needs during peak consumption periods . Ontario 's basic domestic rate in 2010 was 11.17 cents per kWH ; by contrast . Quebec 's was 6.81 . In December 2013 , the government projected a 42 percent hike by 2018 , and 68 percent by 2033 . Industrial rates are projected to rise by 33 % by 2018 , and 55 % in 2033 . An abundance of natural resources , excellent transportation links to the American heartland and the inland Great Lakes making ocean access possible via container ships , have all contributed to making manufacturing the principal industry of the province , found mainly in the Golden Horseshoe region , which is the largest industrialized area in Canada , the southern end of the region being part of the North American Rust Belt . Important products include motor vehicles , iron , steel , food , electrical appliances , machinery , chemicals , and paper . Ontario surpassed Michigan in car production , assembling 2.696 million vehicles in 2004 . Ontario has Chrysler plants in Windsor and Bramalea , two GM plants in Oshawa and one in Ingersoll , a Honda assembly plant in Alliston , Ford plants in Oakville and St. Thomas and Toyota assembly plants in Cambridge and Woodstock . However , as a result of steeply declining sales , in 2005 , General Motors announced massive layoffs at production facilities across North America including two large GM plants in Oshawa and a drive train facility in St. Catharines resulting in 8,000 job losses in Ontario alone . In 2006 , Ford Motor Company announced between 25,000 and 30,000 layoffs phased until 2012 ; Ontario was spared the worst , but job losses were announced for the St Thomas facility and the Windsor Casting plant . However , these losses will be offset by Ford 's recent announcement of a hybrid vehicle facility slated to begin production in 2007 at its Oakville plant and GM 's re-introduction of the Camaro which will be produced in Oshawa . On December 4 , 2008 Toyota announced the grand opening of the RAV4 plant in Woodstock , and Honda also has plans to add an engine plant at its facility in Alliston . Despite these new plants coming online , Ontario has not yet fully recovered following massive layoffs caused by the global recession ; its unemployment rate was 7.3 % in May 2013 , compared to 8.7 percent in January 2010 and approximately 6 % in 2007 . In September 2013 , the Ontario government committed CAD $70.9 million to the Ford plant in Oakville , while the federal government committed CAD $71.1 mn , to secure 2,800 jobs . The province has lost 300,000 manufacturing jobs in the decade from 2003 , and the Bank of Canada noted that `` while the energy and mining industries have benefitted from these movements , the pressure on the manufacturing sector has intensified , since many firms in this sector were already dealing with growing competition from low - cost economies such as China . '' Ontario 's steel industry was once centred on Hamilton . Hamilton harbour , which can be seen as one drives the QEW Skyway bridge , is an industrial wasteland ; US Steel - owned Stelco announced in the autumn of 2013 that it would close in 2014 , with the loss of 875 jobs . The move flummoxed a union representative , who seemed puzzled why a plant with capacity of 2 million tons per annum would be shut while Canada imported 8 million tons of steel the year before . Algoma Steel still maintains a plant in Sault Ste Marie . View of Toronto 's Financial District Toronto , the capital of Ontario , is the centre of Canada 's financial services and banking industry . Neighbouring cities are home to product distribution , IT centres , and various manufacturing industries . Canada 's Federal Government is the largest single employer in the National Capital Region , which centres on the border cities of Ontario 's Ottawa and Quebec 's Gatineau . Parliament Hill in Ottawa , home of the federal government . Canada 's Federal Government is the largest single employer in the National Capital Region The information technology sector is important , particularly in the Silicon Valley North section of Ottawa , as well as the Waterloo Region , where the world headquarters of Research in Motion ( the developers of the BlackBerry smartphone ) is located . BlackBerry once provided more than 19 percent of the local jobs and employed more than 13 % of the entire local population before it supplied 9,500 layoffs in 2013 . OpenText and ATS Automation Tooling Systems of Cambridge make their homes in the area too . Mike Lazaridis , one of the founders of RIM , founded in 1999 the Perimeter Institute , then in 2002 the Institute for Quantum Computing , then in 2013 Quantum Valley Investments , to plow a portion of the benefits of RIM back into research and development . In 2014 , the section of Highway 401 between Toronto and Waterloo became the world 's second - largest innovation corridor after California 's Silicon Valley , employing nearly 280,000 tech workers from around the world and containing over 60 % of Canada 's high tech industry . Hamilton is the largest steel manufacturing city in Canada followed closely by Sault Ste . Marie , and Sarnia is the centre for petrochemical production . Construction employed more than 6.5 % of the province 's work force in June 2011 . Mining and the forest products industry , notably pulp and paper , are vital to the economy of Northern Ontario . There has been controversy over the Ring of Fire mineral deposit , and whether the province can afford to spend CAD $2.25 billion on a road from the Trans - Canada Highway near Kenora to the deposit , currently valued at CAD $60 billions . Tourism contributes heavily to the economy of Central Ontario , peaking during the summer months owing to the abundance of fresh water recreation and wilderness found there in reasonable proximity to the major urban centres . At other times of the year , hunting , skiing and snowmobiling are popular . This region has some of the most vibrant fall colour displays anywhere on the continent , and tours directed at overseas visitors are organized to see them . Tourism also plays a key role in border cities with large casinos , among them Windsor , Cornwall , Sarnia and Niagara Falls , the latter of which attracts millions of US and other international visitors . Agriculture ( edit ) Fruit from the Niagara region for distribution , ca . 1914 Eaton Farm in Eatonville provided poultry , vegetables , dairy and meat products for Eaton 's department stores until the early 1950s . The Canadian Jewish Farm School in Georgetown , Ontario was established in 1927 and served as a training school for Polish war orphans brought to Canada after the First World War . Once the dominant industry , agriculture occupies a small percentage of the population . However , much of the land in southern Ontario is given over to agriculture . As the following table shows , while the number of individual farms has steadily decreased and their overall size has shrunk at a lower rate , greater mechanization has supported increased supply to satisfy the ever - increasing demands of a growing population base ; this has also meant a gradual increase in the total amount of land used for growing crops . <Th_colspan="2"> Ontario Farming 1986 1991 2001 2006 <Td_colspan="2"> Number of Farms 72,713 68,633 67,520 59,728 57,211 Total Hectares 5,646,582 5,451,379 5,616,860 5,466,233 5,386,453 Acres 13,953,009 13,470,652 13,879,565 13,507,358 13,310,217 Planted Crops Hectares 3,457,966 3,411,667 3,544,927 3,656,705 3,660,941 Acres 8,544,821 8,430,438 8,759,707 9,035,916 9,046,383 <Td_colspan="6"> Source : Statistics Canada , Census of Agriculture . <Td_colspan="1"> Common types of farms reported in the 2001 census include those for cattle , small grains and dairy . The fruit - and grape - growing industry is located primarily on the Niagara Peninsula and along Lake Erie , where tobacco farms are also situated . Market vegetables grow in the rich soils of the Holland Marsh near Newmarket . The area near Windsor is also very fertile . The Heinz plant in Leamington was taken over in these autumn of 2013 by Warren Buffett and a Brazilian partner , following which it put 740 people out of work . Government subsidies followed shortly ; Premier Kathleen Wynne offered CAD $200,000 to cushion the blow , and promised that another processed - food operator would soon be found . On December 10 , 2013 , Kellogg 's announced layoffs for more than 509 workers at a cereal manufacture plant in London . Kellogg 's plans to relocate jobs to Thailand . The area defined as the Corn Belt covers much of the southwestern area of the province , extending as far north as close to Goderich , but corn and soy are grown throughout the southern portion of the province . Apple orchards are a common sight along the southern shore of Nottawasaga Bay ( part of Georgian Bay ) near Collingwood and along the northern shore of Lake Ontario near Cobourg . Tobacco production , centred in Norfolk County , has decreased , allowing an increase in alternative crops such as hazelnuts and ginseng . The Ontario origins of Massey Ferguson , once one of the largest farm - implement manufacturers in the world , indicate the importance agriculture once had to the Canadian economy . Southern Ontario 's limited supply of agricultural land is going out of production at an increasing rate . Urban sprawl and farmland severances contribute to the loss of thousands of acres of productive agricultural land in Ontario each year . Over 2,000 farms and 150,000 acres ( 61,000 ha ) of farmland in the GTA alone were lost to production in the two decades between 1976 and 1996 . This loss represented approximately 18 % ``. of Ontario 's Class 1 farmland being converted to urban purposes . In addition , increasing rural severances provide ever - greater interference with agricultural production . Energy ( edit ) See also : Energy policy of Canada , Renewable energy in Canada , and Smart grid The CANDU Bruce Nuclear Generating Station on Lake Huron is the largest nuclear power plant in the world . The Green Energy and Green Economy Act , 2009 ( GEA ) , takes a two - pronged approach to commercializing renewable energy : bringing more renewable energy sources to the province adopting more energy - efficiency measures to help conserve energy The bill envisaged appointing a Renewable Energy Facilitator to provide `` one - window '' assistance and support to project developers to facilitate project approvals . The approvals process for transmission projects would also be streamlined and ( for the first time in Ontario ) the bill would enact standards for renewable energy projects . Homeowners would have access to incentives to develop small - scale renewables such as low - or no - interest loans to finance the capital cost of renewable energy generating facilities like solar panels . Ontario is home to Niagara Falls , which supplies a large amount of electricity to the province . The Bruce Nuclear Generating Station , the largest nuclear power plant in the world , is also in Ontario and uses 8 CANDU reactors to generate electricity for the province . Government , law and politics ( edit ) Further information : Monarchy in Ontario and Executive Council of Ontario The Ontario Legislature at Queen 's Park in Toronto . The previous wordmark of the Government of Ontario , which was in use from the late - 1960s until 2007 ( apart from the lettering used here ) . The British North America Act 1867 section 69 stipulated `` There shall be a Legislature for Ontario consisting of the Lieutenant Governor and of One House , styled the Legislative Assembly of Ontario . '' The assembly has 107 seats representing ridings elected in a first - past - the - post system across the province . The legislative buildings at Queen 's Park are the seat of government . Following the Westminster system , the leader of the party holding the most seats in the assembly is known as the `` Premier and President of the Council '' ( Executive Council Act R.S.O. 1990 ) . The Premier chooses the cabinet or Executive Council whose members are deemed ministers of the Crown . Although the Legislative Assembly Act ( R.S.O. 1990 ) refers to `` members of the assembly '' , the legislators are now commonly called MPPs ( Members of the Provincial Parliament ) in English and députés de l'Assemblée législative in French , but they have also been called MLAs ( Members of the Legislative Assembly ) , and both are acceptable . The title of Prime Minister of Ontario , correct in French ( le Premier ministre ) , is permissible in English but now generally avoided in favour of the title `` Premier '' to avoid confusion with the Prime Minister of Canada . Law ( edit ) Ontario has grown , from its roots in Upper Canada , into a modern jurisdiction . The old titles of the chief law officers , the Attorney - General and the Solicitor - General , remain in use . They both are responsible to the Legislature . The Attorney - General drafts the laws and is responsible for criminal prosecutions and the administration of justice , while the Solicitor - General is responsible for law enforcement and the police services of the province . Politics ( edit ) Main article : Politics of Ontario Ontario has numerous political parties which run for election . The three main parties are the centre - left Ontario Liberal Party , the centre - right Progressive Conservative Party of Ontario , and the social democratic Ontario New Democratic Party ( NDP ) . Each of the three parties has received a majority mandate during a provincial election since 1990 . Ontario is led by the majority government of Premier Kathleen Wynne , a Liberal . Since gaining power under former Premier Dalton McGuinty in 2003 , the Ontario Liberals have been re-elected three times : in the 2007 , the 2011 , and 2014 general elections . In the 2011 federal election in Ontario the Conservatives were elected in 73 ridings , the NDP in 22 , and the Liberals in 11 . The Green Party did not win a seat in Ontario , but Bruce Hyer ( MP for Thunder Bay -- Superior North ) crossed the floor from the NDP and sat as a Green Party member from 2013 until the dissolution of Parliament for the 2015 federal election . Urban areas ( edit ) See also : Golden Horseshoe , National Capital Region ( Canada ) , and Detroit -- Windsor Statistics Canada 's measure of a `` metro area '' , the Census Metropolitan Area ( CMA ) , roughly bundles together population figures from the core municipality with those from `` commuter '' municipalities . CMA ( largest other included municipalities in brackets ) 2001 2006 2011 2016 % Change Toronto CMA ( Mississauga , Brampton ) 4,682,897 5,113,149 5,583,064 5,928,040 6.2 Ottawa CMA ( Gatineau , Clarence - Rockland ) 1,067,800 1,130,761 1,254,919 1,323,783 4.4 Hamilton CMA ( Burlington , Grimsby ) 662,401 692,911 721,053 747,545 3.7 Kitchener CMA ( Cambridge , Waterloo ) 414,284 451,235 496,383 523,894 5.5 London CMA ( St. Thomas , Strathroy - Caradoc ) 435,600 457,720 474,786 494,069 4.1 St. Catharines CMA ( Niagara Falls , Welland ) 377,009 390,317 392,184 406,074 3.5 Oshawa CMA ( Whitby , Clarington ) 296,298 330,594 356,177 379,848 6.6 Windsor CMA ( Lakeshore , LaSalle ) 307,877 323,342 319,246 329,144 3.1 Barrie CMA ( Innisfil , Springwater ) 148,480 177,061 187,013 197,059 5.4 Sudbury CMA ( Whitefish Lake , Wanapitei Reserve ) 155,601 158,258 160,770 164,689 1.0 Kingston CMA 146,838 152,358 159,561 161,175 1.0 * Parts of Quebec ( including Gatineau ) are included in the Ottawa CMA . The population of the Ottawa CMA , in both provinces , is shown . Ten largest municipalities by population Municipality 2001 2006 2011 Toronto ( Provincial capital ) 7006238542100000000 ♠ 2,385,421 7006248149400000000 ♠ 2,481,494 7006250328100000000 ♠ 2,503,281 7006261506000000000 ♠ 2,615,060 Ottawa ( National capital ) 7005721136000000000 ♠ 721,136 7005774072000000000 ♠ 774,072 7005812129000000000 ♠ 812,129 7005883391000000000 ♠ 883,391 Mississauga 7005544382000000000 ♠ 544,382 7005612925000000000 ♠ 612,925 7005668549000000000 ♠ 668,549 7005713443000000000 ♠ 713,443 Brampton 7005268251000000000 ♠ 268,251 7005325428000000000 ♠ 325,428 7005433806000000000 ♠ 433,806 7005523911000000000 ♠ 523,911 Hamilton 7005467799000000000 ♠ 467,799 7005490268000000000 ♠ 490,268 7005504559000000000 ♠ 504,559 7005519949000000000 ♠ 519,949 London 7005325669000000000 ♠ 325,669 7005336539000000000 ♠ 336,539 7005352395000000000 ♠ 352,395 7005366151000000000 ♠ 366,151 Markham 7005173383000000000 ♠ 173,383 7005208615000000000 ♠ 208,615 7005261573000000000 ♠ 261,573 7005301709000000000 ♠ 301,709 Vaughan 7005132549000000000 ♠ 132,549 7005182022000000000 ♠ 182,022 7005238866000000000 ♠ 238,866 7005288301000000000 ♠ 288,301 Kitchener 7005178420000000000 ♠ 178,420 7005190399000000000 ♠ 190,399 7005204668000000000 ♠ 204,668 7005219153000000000 ♠ 219,153 Windsor 7005197694000000000 ♠ 197,694 7005209218000000000 ♠ 209,218 7005216473000000000 ♠ 216,473 7005210891000000000 ♠ 210,891 Education ( edit ) Main article : Education in Ontario In Canada , education falls under provincial jurisdiction . Publicly funded elementary and secondary schools are administered by the Ontario Ministry of Education , while colleges and universities are administered by the Ontario Ministry of Training , Colleges and Universities . The current Minister of Education is Mitzie Hunter , and the current minister of Training , Colleges and Universities is Reza Moridi . Higher education ( edit ) Main article : Higher education in Ontario See also : List of colleges in Ontario and List of universities in Ontario Higher education in Ontario includes postsecondary education and skills training regulated by the Ministry of Training , Colleges , and Universities and provided by universities , colleges of applied arts and technology , and private career colleges . The current minister is Reza Moridi . The ministry administers laws covering 22 public universities , 24 public colleges ( 21 Colleges of Applied Arts and Technology ( CAATs ) and three Institutes of Technology and Advanced Learning ( ITALs ) ) , 17 privately funded religious universities , and over 500 private career colleges . The Canadian constitution provides each province with the responsibility for higher education and there is no corresponding national federal ministry of higher education . Within Canadian federalism the division of responsibilities and taxing powers between the Ontario and Canadian governments creates the need for co-operation to fund and deliver higher education to students . Each higher education system aims to improve participation , access , and mobility for students . There are two central organizations that assist with the process of applying to Ontario universities and colleges : the Ontario Universities ' Application Centre and Ontario College Application Service . While application services are centralized , admission and selection processes vary and are the purview of each institution independently . Admission to many Ontario postsecondary institutions can be highly competitive . Upon admission , students may get involved with regional student representation with the Canadian Federation of Students , the Canadian Alliance of Student Associations , the Ontario Undergraduate Student Alliance , or through the College Student Alliance in Ontario . Culture ( edit ) Songs and slogans ( edit ) In 1973 the first slogan to appear on licence plates in Ontario was `` Keep It Beautiful '' . This was replaced by `` Yours to Discover '' in 1982 , apparently inspired by a tourism slogan , `` Discover Ontario '' , dating back to 1927 . Plates with the French equivalent , `` Tant à découvrir '' , were made available to the public beginning in May 2008 . ( From 1988 to 1990 , `` Ontario Incredible '' gave `` Yours to Discover '' a brief respite . ) In 2007 , a new song replaced `` A Place to Stand '' after four decades . `` There 's No Place Like This '' is featured in current television advertising , performed by Ontario artists including Molly Johnson , Brian Byrne , Keshia Chanté , as well as Tomi Swick and Arkells . Notable residents ( edit ) Main article : List of people from Ontario Professional sports ( edit ) The province has professional sports teams in baseball , basketball , Canadian football , ice hockey , lacrosse , rugby and soccer . Club Sport League City Stadium Belleville Senators Ice hockey AHL Belleville Yardmen Arena Hamilton Tiger - Cats Football CFL Hamilton Tim Hortons Field KW Titans Basketball NBLC Kitchener Kitchener Memorial Auditorium London Lightning Basketball NBLC London Budweiser Gardens Niagara River Lions Basketball NBLC St. Catharines Meridian Centre Ottawa Champions Baseball Can - Am Ottawa Raymond Chabot Grant Thornton Park Ottawa Fury Soccer USL Ottawa TD Place Stadium Ottawa Redblacks Football CFL Ottawa TD Place Stadium Ottawa Senators Ice hockey NHL Ottawa Canadian Tire Centre Raptors 905 Basketball NBA G League Mississauga Hershey Centre Toronto Argonauts Football CFL Toronto BMO Field Toronto Blue Jays Baseball MLB Toronto Rogers Centre Toronto FC Soccer MLS Toronto BMO Field Toronto FC II Soccer USL Vaughan Ontario Soccer Centre Toronto Furies Ice hockey CWHL Toronto MasterCard Centre Toronto Marlies Ice hockey AHL Toronto Ricoh Coliseum Toronto Maple Leafs Ice hockey NHL Toronto Air Canada Centre Toronto Raptors Basketball NBA Toronto Air Canada Centre Toronto Rock Lacrosse NLL Toronto Air Canada Centre Toronto Wolfpack Rugby L1 Toronto Lamport Stadium Windsor Express Basketball NBLC Windsor WFCU Centre Transportation ( edit ) Transportation routes in Ontario evolved from early waterway travel and First Nations paths followed by European explorers . Ontario has two major east - west routes , both starting from Montreal in the neighbouring province of Quebec . The northerly route , which was a major fur trade route , travels west from Montreal along the Ottawa River , then continues northwestward towards Manitoba . Major cities on or near the route include Ottawa , North Bay , Sudbury , Sault Ste . Marie , and Thunder Bay . The southerly route , which was driven by growth in settlements originated by the United Empire Loyalists and later other European immigrants , travels southwest from Montreal along the St. Lawrence River , Lake Ontario , and Lake Erie before entering the United States in Michigan . Major cities on or near the route include Kingston , Belleville , Peterborough , Oshawa , Toronto , Mississauga , Kitchener - Waterloo , Hamilton , London , Sarnia , and Windsor . This route was also heavily used by immigrants to the Midwestern US particularly in the late 19th century . Roads ( edit ) Main article : Roads in Ontario 400 - Series Highways make up the primary vehicular network in the south of province , and they connect to numerous border crossings with the US , the busiest being the Detroit -- Windsor Tunnel and Ambassador Bridge and the Blue Water Bridge ( via Highway 402 ) . Some of the primary highways along the southern route are Highway 401 , Highway 417 , and Highway 400 , while other provincial highways and regional roads inter-connect the remainder of the province . Waterways ( edit ) The Saint Lawrence Seaway , which extends across most of the southern portion of the province and connects to the Atlantic Ocean , is the primary water transportation route for cargo , particularly iron ore and grain . In the past , the Great Lakes and St. Lawrence River were also a major passenger transportation route , but over the past half century passenger travel has been reduced to ferry services and sightseeing cruises . Railways ( edit ) Via Rail operates the inter-regional passenger train service on the Quebec City -- Windsor Corridor , along with The Canadian , a transcontinental rail service from Southern Ontario to Vancouver , and the Sudbury -- White River train . Additionally , Amtrak rail connects Ontario with key New York cities including Buffalo , Albany , and New York City . Ontario Northland provides rail service to destinations as far north as Moosonee near James Bay , connecting them with the south . Freight rail is dominated by the founding cross-country Canadian National Railway and CP Rail companies , which during the 1990s sold many short rail lines from their vast network to private companies operating mostly in the south . Regional commuter rail is limited to the provincially owned GO Transit , and serves a train - bus network spanning the Golden Horseshoe region . The Toronto Transit Commission operates the province 's only subway and streetcar system , one of the busiest in North America . OC Transpo operates , in addition to bus service , Ontario 's only light rail transit line , the O - Train in Ottawa . A light - rail metro called the Confederation Line is under construction in Ottawa . It will have 13 stations on 12.5 km ( 7.8 mi ) and part of it will run under the city 's Downtown and feature three underground stations . In addition , the Ion light rail and bus rapid transit system is under construction in the province 's Waterloo region . Ontario Northland freight train crossing the Missinaibi River at Mattice - Val Côté in Northern Ontario Air travel ( edit ) Important airports in the province include Toronto Pearson International Airport , which is the busiest airport in Canada , handling over 41 million passengers in 2015 . Ottawa Macdonald -- Cartier International Airport is Ontario 's second largest airport . Toronto / Pearson and Ottawa / Macdonald - Cartier form two of the three points in Canada 's busiest set of air routes ( the third point being Montréal -- Pierre Elliott Trudeau International Airport ) . Most Ontario cities have regional airports , many of which have scheduled commuter flights from Air Canada Jazz or smaller airlines and charter companies -- flights from the mid-size cities such as Thunder Bay , Sault Ste . Marie , Sudbury , North Bay , Timmins , Windsor , London , and Kingston feed directly into larger airports in Toronto and Ottawa . Bearskin Airlines also runs flights along the northerly east - west route , connecting Ottawa , North Bay , Sudbury , Sault Ste . Marie , Kitchener and Thunder Bay directly . Isolated towns and settlements in the northern areas of the province rely partly or entirely on air service for travel , goods , and even ambulance services ( MEDIVAC ) , since much of the far northern area of the province can not be reached by road or rail . Highway 401 is the busiest highway in North America and among the busiest highways in the world . A GO Transit commuter train . Air Canada is the largest airline operating in Ontario . Its largest hub is at Pearson International Airport in Mississauga . A light rail O - Train crossing the Rideau River on the Trillium Line . See also ( edit ) Ontario portal Eastern Ontario portal Ottawa portal Toronto portal Outline of Ontario Index of Ontario - related articles Notes ( edit ) ^ Jump up to : `` Land and freshwater area , by province and territory . '' . Statistics Canada . February 1 , 2005 . Retrieved August 5 , 2012 . ^ Jump up to : `` Population and dwelling counts , for Canada , provinces and territories , 2016 and 2011 censuses '' . Statistics Canada . February 6 , 2017 . Retrieved February 8 , 2017 . Jump up ^ `` Population by year of Canada of Canada and territories '' . Statistics Canada . September 26 , 2014 . Retrieved March 20 , 2016 . Jump up ^ `` Definition of Ontarian '' . Collins English Dictionary -- Complete and Unabridged , HarperCollins Publishers . 2013 . Retrieved October 3 , 2013 . ^ Jump up to : `` About Ontario '' . Queen 's Printer for Ontario . February 28 , 2016 . Jump up ^ `` Gross domestic product , expenditure - based , by province and territory ( 2015 ) '' . Statistics Canada . November 9 , 2016 . Retrieved January 26 , 2017 . Jump up ^ `` Ontario '' . Merriam - Webster 's Collegiate Dictionary 11th ed . New York : Merriam - Webster , Inc. 2003 . ISBN 0 - 87779 - 809 - 5 . Jump up ^ Ontario is located in the geographic eastern half of Canada , but it has historically and politically been considered to be part of Central Canada ( along with Manitoba ) . Jump up ^ `` Ontario is the largest province in the country by population '' . Statistics Canada . Retrieved January 5 , 2007 . Jump up ^ Finance , Government of Ontario , Ministry of . `` Ontario Fact Sheet May 2016 '' . Fin.gov.on.ca . Retrieved June 7 , 2016 . Jump up ^ `` Population of census metropolitan areas ( 2001 Census boundaries ) '' . Statistics Canada . Archived from the original on July 24 , 2005 . Retrieved January 5 , 2007 . Jump up ^ Canada / United States International Boundary Commission ( 2006 ) . `` St. Lawrence River and Great Lakes '' ( pdf ) . Presentation at 2006 IBRU Conference , p. 21 . Durham University . Retrieved May 6 , 2014 . Jump up ^ Mithun , Marianne ( 2000 ) . The Languages of Native North America . Cambridge : Cambridge University Press . p. 312 . Jump up ^ `` About Canada / / Ontario '' . Study Canada . pp . Last Paragraph -- second -- last sentence . Retrieved April 23 , 2011 . The name `` Ontario '' is generally thought to be derived from the Iroquois word Skanadario , meaning `` beautiful water '' Jump up ^ `` Lakes and Rivers '' . Ontario Ministry of Natural Resources . Retrieved March 23 , 2014 . ^ Jump up to : `` The Canada Country Study : Climate Impacts and Adaptation : Ontario Region Executive Summary '' . Environment Canada . Archived from the original on March 23 , 2013 . Retrieved January 29 , 2013 . ^ Jump up to : Baldwin , David ; Desloges , Joseph ; Band , Lawrence . `` Physical Geography of Ontario '' ( PDF ) . UBC Press . Retrieved March 25 , 2013 . ^ Jump up to : `` Natural Processes in the Great Lakes '' . US Environmental Protection Agency . Retrieved March 25 , 2013 . Jump up ^ `` Snowstorm shuts down London , Ont '' . CBC News . December 8 , 2010 . Jump up ^ `` Windsor A , Ontario '' . Canadian Climate Normals 1981 -- 2010 . Environment Canada . Retrieved April 12 , 2014 . Jump up ^ `` Niagara Falls NPCSH '' . Canadian Climate Normals 1981 -- 2010 . Environment Canada . Retrieved April 12 , 2014 . Jump up ^ `` 1981 to 2010 Canadian Climate Normals '' . Environment Canada . February 13 , 2014 . Climate ID : 6158350 . 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Archived from the original on October 3 , 2009 . Retrieved September 26 , 2009 . Jump up ^ `` The Quebec Act of 1774 '' . Solon.org . Retrieved January 15 , 2007 . Jump up ^ `` The Encyclopædia britannica ; a dictionary of arts , sciences , literature and general information '' . Archive.org . Retrieved June 7 , 2016 . Jump up ^ `` The Constitutional Act of 1791 '' . Archived from the original on August 29 , 2007 . Retrieved January 15 , 2007 . Jump up ^ `` ARCHIVED -- People -- Virtual Vault -- Library and Archives Canada '' . Collectionscanada.ca . Retrieved June 7 , 2016 . Jump up ^ `` Canada 's total population estimates , 2013 '' ( PDF ) . Statistics Canada . September 26 , 2013 . Retrieved September 29 , 2013 . Jump up ^ `` Archived copy '' . Archived from the original on July 3 , 2013 . Retrieved December 26 , 2013 . Jump up ^ `` National Household Survey ( NHS ) Profile , 2011 '' . Statistics Canada . May 8 , 2013 . Retrieved May 29 , 2013 . 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Economic Forecasts & Special Reports . Royal Bank of Canada . 7 September 2017 . Retrieved 2 November 2017 . Jump up ^ `` Ontario is rich in hydroelectricity , especially areas near the Niagara River '' . Ontario Facts . Archived from the original on February 18 , 2007 . Retrieved February 2 , 2007 . Jump up ^ `` Ontario Power Generation : Power Generation '' . Opg.com . Archived from the original on February 26 , 2011 . Retrieved February 23 , 2011 . ^ Jump up to : `` Ontario projects steady rise in electricity costs for next 20 years '' . The Globe and Mail . Jump up ^ `` Accueil -- Consultations prébudgétaires 2016 -- 2017 '' ( PDF ) . Consultations prébudgétaires 2016 -- 2017 -- Ministère des Finances du Québec . Jump up ^ `` Toyota 's opening a new chapter in Woodstock 's industrial history '' . Woodstocksentinelreview.com . Retrieved October 17 , 2010 . Jump up ^ `` Archived copy '' . Archived from the original on November 7 , 2011 . Retrieved July 18 , 2011 . Jump up ^ `` Archived copy '' . Archived from the original on July 6 , 2011 . Retrieved July 18 , 2011 . Jump up ^ `` Feds , Ontario invest $142 M in Oakville Ford plant '' . Torontosun.com . Retrieved June 7 , 2016 . Jump up ^ David Crane ( February 20 , 2012 ) . `` Ontario has to learn to live with high dollar '' . thestar.com . Jump up ^ `` Fergus plant closing shows Ontario 's decline '' . Toronto Star . November 24 , 2013 . Jump up ^ `` U.S. Steel ends an era in Hamilton '' . The Globe and Mail . Jump up ^ `` Federal government employment , wages and salaries , by census metropolitan area -- ( Employment ) '' , 2006 -- 2010 , Statistics Canada Jump up ^ `` Labour force characteristics , unadjusted , by census metropolitan area ( 3 month moving average ) -- ( Ottawa - Gatineau ( Ont. - Que . ) , Ottawa ( Ont . ) - Gatineau ( Que . ) , Ontario part , Ottawa ( Ont . ) - Gatineau ( Que . ) , Quebec part ) '' , 2010 / 2011 , Statistics Canada Jump up ^ Joseph Brean ( December 7 , 2013 ) . `` The quantum computing revolution : BlackBerry billionaire Mike Lazaridis is betting on tech that has n't been invented ... yet '' . National Post . Jump up ^ `` Why Ontario is the Silicon Valley of the North '' . The Globe and Mail . Jump up ^ `` Employment by major industry groups , seasonally adjusted , by province ( monthly ) -- ( Ontario ) '' , June 2011 , Statistics Canada Jump up ^ `` Cliffs ' pullout forces Ontario action in Ring of Fire mining area '' . The Globe and Mail . Jump up ^ `` Ontario '' . Ministry of Economic Development and Trade . Archived from the original on October 24 , 2006 . Retrieved November 29 , 2006 . Jump up ^ `` History of Eatonville '' . Maple Tree . Jump up ^ `` Ida Siegel with Edmund Scheuer at the Canadian Jewish Farm School , Georgetown '' . Ontario Jewish Archives . Jump up ^ `` Total farm area , land tenure and land in crops , by province : Ontario '' . Census of Agriculture , 1986 to 2006 . Statistics Canada . October 31 , 2008 . Retrieved July 30 , 2011 . Jump up ^ `` Heinz closes Leamington plant , 740 people out of work '' . cbc.ca . November 15 , 2013 . Jump up ^ `` Wynne offers $200 K to help Leamington in wake of Heinz closure '' . Toronto . ^ Jump up to : `` Kellogg 's Ontario plant closing a casualty of changing tastes '' . The Globe and Mail . ^ Jump up to : `` Ontario Unveils Green Energy and Green Economy Act , 2009 '' . Renewableenergyworld.com . Retrieved October 17 , 2010 . Jump up ^ `` Population and dwelling counts , for Canada , provinces and territories , census metropolitan areas and census agglomerations , 2006 and 2001 censuses -- 100 % data '' . Statistics Canada . November 5 , 2008 . Retrieved April 1 , 2009 . Jump up ^ `` Population and dwelling counts , for Canada , provinces and territories , and census subdivisions ( municipalities ) , 2006 and 2001 censuses -- 100 % data '' . Statistics Canada , 2006 Census of Population . March 13 , 2007 . Retrieved March 13 , 2007 . Jump up ^ Ontario , Government of . `` Role of the Ministry '' . Tcu.gov.on.ca . Retrieved June 7 , 2016 . Jump up ^ `` Universities '' . Tcu.gov.on.ca . Retrieved June 7 , 2016 . Jump up ^ `` Find a School '' . Tcu.gov.on.ca . Retrieved June 7 , 2016 . Jump up ^ `` Private Universities '' . Tcu.gov.on.ca . Retrieved June 7 , 2016 . Jump up ^ `` Private Career Colleges ( PCCs ) '' . Tcu.gov.on.ca . Retrieved June 7 , 2016 . Jump up ^ Branch , Legislative Services . `` Consolidated federal laws of canada , Access to Information Act '' . Laws.justice.gc.ca . Retrieved June 7 , 2016 . Jump up ^ `` Ontario '' . 15q.net . February 24 , 2007 . Retrieved May 6 , 2009 . Jump up ^ `` Library University of Waterloo '' . Lib.uwaterloo.ca . Retrieved May 6 , 2009 . Jump up ^ `` New French Slogan Licence Plate for Passenger Vehicles '' . Government of Ontario . June 10 , 2010 . Retrieved July 29 , 2010 . Jump up ^ `` Official Ontario Road Maps Produced 1971 -- 2006 '' . Ontarioroadmaps.ca . Archived from the original on August 8 , 2007 . Retrieved October 17 , 2010 . Jump up ^ `` Measuring the Returns to Tourism Advertising '' . Jtr.sagepub.com . August 1 , 1998 . Retrieved September 16 , 2011 . Jump up ^ `` There 's more to discover in Ontario '' . Ontariotravel.net . Archived from the original on June 10 , 2008 . Retrieved October 17 , 2010 . ^ Jump up to : Ministry of Transportation ( Ontario ) ( August 6 , 2002 ) . `` Ontario government investing $401 million to upgrade Highway 401 '' . Archived from the original on September 14 , 2007 . Retrieved December 20 , 2006 . ^ Jump up to : Brian Gray ( April 10 , 2004 ) . `` GTA Economy Dinged by Every Crash on the 401 -- North America 's Busiest Freeway '' . Toronto Sun , transcribed at Urban Planet . Retrieved March 18 , 2007 . The ' phenomenal ' number of vehicles on Hwy. 401 as it cuts through Toronto makes it the busiest freeway in the world ... Jump up ^ `` Total aircraft movements by class of operation -- NAV CANADA towers '' . Statcan.gc.ca . Retrieved February 24 , 2015 . Jump up ^ `` Toronto Pearson ( Enplaned + Deplaned ) Passengers '' ( PDF ) . GTAA . February 8 , 2016 . Retrieved March 5 , 2016 . References ( edit ) Michael Sletcher , `` Ottawa '' , in James Ciment , ed. , Colonial America : An Encyclopedia of Social , Political , Cultural , and Economic History , ( 5 vols. , M.E. Sharpe , New York , 2006 ) . Virtual Vault , an online exhibition of Canadian historical art at Library and Archives Canada Further reading ( edit ) Main article : Bibliography of Ontario Beckett , Harry ( 2001 ) . Ontario . Weigl . ISBN 978 - 1 - 894705 - 04 - 2 . White , Randall ( 1985 ) . Ontario , 1610 -- 1985 : a political and economic history . Dundurn Press . ISBN 0 - 919670 - 98 - 9 . Montigny , Edgar - André ; Chambers , Anne Lorene ( 2000 ) . Ontario since Confederation : a reader . University of Toronto Press . ISBN 0 - 8020 - 4444 - 1 . Celebrating One Thousand Years of Ontario 's History : Proceedings of the Celebrating One Thousand Years of Ontario 's History Symposium , April 14 , 15 and 16 , 2000 . Ontario Historical Society , 2000 . 343 pp . Baskerville , Peter A. Sites of Power : A Concise History of Ontario . Oxford U. Press. , 2005 . 296 pp. ( first edition was Ontario : Image , Identity and Power , 2002 ) . online review Chambers , Lori , and Edgar - Andre Montigny , eds . Ontario Since Confederation : A Reader ( 2000 ) , articles by scholars Winfield , Mark S. 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