Population history of indigenous peoples of the Americas about one million people. The Maya population is today estimated at six million, which is about the same as at the end of the 15th century, according to some estimates. In what is now Brazil, the indigenous population declined from a pre-Columbian high of an estimated four million to some 300,000. While it is difficult to determine exactly how many Natives lived in North America before Columbus, estimates range from a low of 2.1 million to 7 million people to a high of 18 million. The aboriginal population of Canada during the late 15th century is estimated to have been
History of immigration to the United States 1790 population reflected the loss of approximately 46,000 Loyalists, or "Tories", who immigrated to Canada at the end of the American Revolution, 10,000 who went to England and 6,000 to the Caribbean. The USA of 1790 recorded 3.9 million inhabitant (not counting American Indians). Of the total white population of just under 3.2 million in 1790, 85% was of British ancestry - 60% were English or 1.9 million. 4.3% Welsh, 5.4% Scots, Irish (South) 5.8%, Scots-Irish 10.5%), Germans were 9%, Dutch 3.4%, French 2.1% and Swedish 0.25%; blacks made up 19.3% or 762,000) (The American Revolution, Colin Bonwick, 1991, p.