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Timeline of cannabis laws in the United States - wikipedia Timeline of cannabis laws in the United States Jump to : navigation , search Cannabis laws in the United States Jurisdiction with legalized cannabis . Jurisdiction with both medical and decriminalization laws . Jurisdiction with legal psychoactive medical cannabis . Jurisdiction with legal non-psychoactive medical cannabis . Jurisdiction with decriminalized cannabis possession laws . Jurisdiction with cannabis prohibition . Includes laws which have not yet gone into effect . Marked states have only legal non-psychoactive medical cannabis . * Cannabis remains a Schedule I substance under federal law . * Some cities and Indian Reservations have legalization policies separate from their surrounding states . * Cannabis is illegal in all federal enclaves . US Cannabis Legalization ( 1 ) 100 Years of Cannabis Legalization <Th_colspan="2"> Timeline of medical marijuana legalization in the USA <Td_colspan="2"> ( State - level legalization ) 1996 : California 1998 : Alaska , Oregon , Washington 1999 : Maine 2000 : Colorado , Hawaii , Nevada 2004 : Montana , Vermont 2006 : Rhode Island 2007 : New Mexico 2008 : Michigan 2010 : Arizona , D.C. , New Jersey 2011 : Delaware 2012 : Connecticut , Massachusetts 2013 : Illinois , New Hampshire 2014 : Maryland , Minnesota , New York 2015 : Louisiana 2016 : Ohio , Pennsylvania , Florida , North Dakota , Arkansas Total states : 29 and D.C. The legal history of cannabis in the United States began with state - level prohibition in the early 20th century , with the first major federal limitations occurring in 1937 . Starting with Oregon in 1973 , individual states began to liberalize cannabis laws through decriminalization . In 1996 , California was the first state to legalize medical cannabis , sparking a trend that spread across most other US states . In 2012 , Colorado and Washington became the first states to legalize cannabis for recreational use . Contents ( hide ) 1 Federal 2 States 3 Municipal 4 Territory 5 Indian Reservations 6 Opinion 6.1 Presidential 6.2 Public 7 See also 8 External links 9 References Federal ( edit ) 1937 : The Marijuana Tax Act is passed , effectively prohibiting all use of cannabis on a federal level . 1970 : The Controlled Substances Act is passed , prohibiting cannabis federally along with several other drugs and replacing the 1937 act . 2014 : The Rohrabacher -- Farr amendment passed the U.S. House and was signed into law . Requiring annual renewal , it prohibits the Justice Department from interfering with the implementation of state medical marijuana laws . States ( edit ) Prohibition begins - 1911 1911 : Massachusetts requires a prescription for sales of `` Indian hemp '' 1913 : California , Maine , Wyoming , and Indiana ban marijuana 1915 : Utah and Vermont ban marijuana 1917 : Colorado legislators made the use and cultivation of cannabis a misdemeanor ; 1923 : Iowa , Oregon , Washington , and Vermont ban marijuana 1927 : New York , Idaho , Kansas , Montana , and Nebraska ban marijuana 1931 : Illinois bans marijuana . 1931 : Texas declared cannabis a `` narcotic '' , allowing up to life sentences for possession . 1933 : North Dakota and Oklahoma ban marijuana . By this year , 29 states have criminalized cannabis . Decriminalization begins - 1973 1973 : Oregon decriminalized cannabis . 1973 : Texas law was amended to declare possession of four ounces or less a misdemeanor . 1975 : Alaska 's Supreme Court establishes that the right to privacy includes possession of small amounts of marijuana 1976 : Maine decriminalized cannabis . 1977 : South Dakota decriminalized cannabis , but repealed that law `` almost immediately '' afterward . 1973 - 1978 : California , Colorado , Mississippi , New York , Nebraska , North Carolina , and Ohio decriminalized cannabis . Certain cities and counties , particularly in California , adopted laws to further decriminalize cannabis . 1978 : New Mexico passes the Controlled Substances Therapeutic Research Act , becoming the first state to pass legislation recognizing the medical value of marijuana . 1979 : Virginia passed legislation allowing doctors to recommend cannabis for glaucoma or the side effects of chemotherapy . 1982 : Alaska 's legislature decriminalizes possession of cannabis 1990 : Alaska re-criminalizes cannabis by voter initiative , restoring criminal penalties for possession of any amount of cannabis Medical marijuana begins - 1996 1996 : California legalized medical cannabis . ( California Proposition 215 ) 1996 : First marijuana dispensary , Marin Alliance for Medical Marijuana appears in Fairfax , California , USA . 1998 : Oregon , Alaska , and Washington legalized medical cannabis . 1999 : Maine legalized medical cannabis . 2000 : Hawaii , Nevada , and Colorado legalized medical cannabis . Hawaii became the first state to do so by state legislature . 2004 : Montana and Vermont legalized medical cannabis . 2007 : New Mexico legalized medical cannabis . 2008 : Michigan legalized medical cannabis . Massachusetts decriminalized cannabis . 2010 : New Jersey and Arizona legalized medical cannabis . ( Arizona 's proposition 203 ) 2010 : California decriminalizes possession to a civil infraction 2012 : Massachusetts legalized medical cannabis . ( Massachusetts Medical Marijuana Initiative ) Recreational legalization begins - 2012 2012 : Colorado and Washington legalized recreational marijuana for adults 21 years of age or older . 2014 : Maryland decriminalized cannabis . Minnesota and New York legalized medical cannabis . 2014 : Utah legalizes CBD oil , becoming the first state to legalize a cannabis - based medicine without legalizing medical cannabis entirely . 2014 : Oklahoma legalizes trials of CBD oil . 2014 : Alaska and Oregon legalized recreational cannabis . Alaska 's law took effect on February 25 , 2015 . Oregon 's initiative began on July 1 , 2015 . 2015 : Georgia , North Carolina , and Texas legalized CBD oil . 2015 : Louisiana legalized medical cannabis . 2015 : Delaware decriminalized cannabis . 2016 : Ohio and Pennsylvania legalized medical cannabis via state legislature . 2016 : Illinois decriminalized cannabis . 2016 : California , Nevada , Maine and Massachusetts legalized recreational cannabis via ballot initiative . 2016 : Florida , North Dakota , and Arkansas legalized medical cannabis via ballot initiative . 2017 : Vermont becomes first state to pass recreational cannabis bill entirely through elected legislature on May 10 , 2017 ( see cannabis in Vermont ) . 2017 : New Hampshire decriminalized cannabis . 2017 : West Virginia legalized medical cannabis . Municipal ( edit ) 1906 : Washington D.C. requires a prescription for cannabis drugs . 1915 : El Paso , Texas restricts cannabis . 1974 : Ann Arbor and Ypsilanti , Michigan , reduce cannabis possession to a civil infraction . 1998 : Washington D.C. attempted to legalize medical cannabis with the passage of Initiative 59 , but was prevented by the Barr Amendment from putting the new law into action until 2009 , with the first legal medical sales occurring in 2013 . 2004 : Oakland , California passes Measure Z , making private adult cannabis offenses the lowest possible priority for law enforcement , establishing a system to regulate , tax , and sell cannabis pending state legalization , and urging legalization on the state and national levels . 2005 : Denver , Colorado legalized cannabis . 2009 : Breckenridge , Colorado legalized cannabis . 2013 : Portland , Maine legalized cannabis . 2014 : Philadelphia , Pennsylvania decriminalized cannabis . 2014 : Washington D.C. 's City Council decriminalized cannabis in July , and the electorate voted in November to legalize recreational marijuana with 69 % in favor . A Congressional rider prevented D.C. from permitting retail marijuana stores . On February 26 , 2015 , marijuana became legal in D.C. for adults aged 21 and over to possess , gift and grow but not to sell . 2014 : New York City , New York decriminalized cannabis . 2015 : Wichita , Kansas , decriminalizes possession of cannabis . 2015 : Toledo , Ohio decriminalizes possession of 200 grams of cannabis or less to a citation . 2016 : Nashville and Memphis , Tennessee , decriminalize possession of small amounts of cannabis , with Memphis reducing punishment to a $50 fine . 2016 : the Ohio cities of Bellaire , Logan , Newark and Roseville decriminalize possession of 200 grams of cannabis or less to a citation . 2017 : Kansas City , Kansas , eliminated jail time for possession of 35 grams or less of cannabis . 2017 : Atlanta , Georgia , decriminalizes possession of one ounce or less of cannabis via unanimous City Council vote . Territory ( edit ) 2014 : Guam legalized medical cannabis . 2014 : United States Virgin Islands decriminalizes cannabis . 2015 : Puerto Rico legalizes medical cannabis by executive order . Indian reservations ( edit ) 2014 : The US Justice Department allowed recognized Indian Reservations to regulate cannabis laws within their reservation . The laws in the reservations are allowed to be different from state and federal laws . As with State and Territories , the Federal government will not intervene as long as the reservations regulate strict control over cannabis . Some domestic nations such as the Yakama Nation and the Oglala Sioux Tribal Council rejected the approval to allow cannabis on their reservation . 2015 : The Flandreau Santee Sioux Tribe ( South Dakota ) voted to legalize recreational cannabis on its territory . Opinion ( edit ) Presidential ( edit ) 2015 : President Barack Obama declared his support of cannabis decriminalization but opposition to legalization . Public ( edit ) 1969 : Gallup first begins to poll the public on support for legalizing marijuana ; the 1969 result was 12 % in favor . 2011 : Gallup reported a record 50 % of Americans surveyed supported legalization . 2013 : The Pew Research Center presented U.S. survey results that showed prohibition support as a minority position for the first time in four decades : 52 % supported legalization . Gallup reported a record 58 % of Americans support nationwide legalization . 2014 : Research conducted by the Pew Research Center in February showed an increase in the percentage of legalization supporters , from 52 % to 54 % , while the New York Times published its Editorial Boards series `` High Time : An Editorial Series on Marijuana Legalization '' in July . 2015 : Gallup reported a record 58 % of Americans support marijuana legalization . 2016 : an October Gallup poll shows a record 60 % of Americans in favor of legalizing recreational cannabis . See also ( edit ) Cannabis portal United States portal Timeline of cannabis Decriminalization of non-medical cannabis in the United States Legality of cannabis by U.S. jurisdiction External links ( edit ) CannabisLegality.com , live dynamic map Smokebits.com , Where is marijuana legal ( US edition ) ? Smokebits.com , Where is marijuana legal ( global edition ) ? References ( edit ) Jump up ^ Reilly , Ryan ( May 30 , 2014 ) . `` House Blocks DEA From Targeting Medical Marijuana '' . Huffington Post . Retrieved July 4 , 2014 . Jump up ^ Sullum , Jacob ( January 4 , 2016 ) . `` The Federal Ban on Medical Marijuana Was Not Lifted '' . Reason . Retrieved January 22 , 2017 . ^ Jump up to : Sarah E. Boslaugh ( 8 December 2015 ) . The SAGE Encyclopedia of Pharmacology and Society . SAGE Publications . pp. 1758 -- . ISBN 978 - 1 - 5063 - 4618 - 2 . ^ Jump up to : Richard Davenport - Hines ( 29 November 2012 ) . The Pursuit of Oblivion : A Social History of Drugs . Orion Publishing Group . pp. 126 -- . ISBN 978 - 1 - 78022 - 542 - 5 . Jump up ^ Also from Bruce Rushton ( 2012 - 02 - 09 ) . `` The war on weed '' . Illinoistimes.com . Retrieved 2016 - 11 - 11 . Jump up ^ National Governors ' Conference . Center for Policy Research and Analysis ( 1977 ) . Marijuana : A Study of State Policies and Penalties . Department of Justice , Law Enforcement Assistance Administration , National Institute of Law Enforcement and Criminal Justice . Jump up ^ Beatriz Caiuby Labate ; Clancy Cavnar ( 25 March 2014 ) . Prohibition , Religious Freedom , and Human Rights : Regulating Traditional Drug Use . Springer Science & Business Media . pp. 236 -- . ISBN 978 - 3 - 642 - 40957 - 8 . Jump up ^ Suellentrop , Chris ( February 15 , 2001 ) . `` Which States Have Decriminalized MJ Possession ? '' . Cannabis News . Retrieved October 12 , 2010 . Jump up ^ Single , E.W. ( 1981 ) . `` The Impact of Marijuana Decriminalization '' . In Israel , Y. ; Glaser , F.B. ; Kalant , H. ; et al. Research Advances in Alcohol and Drug Problems . Springer US . pp. 405 -- 424 . doi : 10.1007 / 978 - 1 - 4615 - 7740 - 9_12 . ISBN 9781461577409 . CS1 maint : Explicit use of et al. ( link ) CS1 maint : Multiple names : editors list ( link ) Jump up ^ Emmis Communications ( March 1976 ) . Texas Monthly . Emmis Communications . pp. 22 -- . ISSN 0148 - 7736 . Jump up ^ `` State by State Laws : Alaska '' . National Organization for the Reform of Marijuana Laws. 2006 . Retrieved December 24 , 2006 . Jump up ^ Scott , Emilee ( May 5 , 2010 ) . `` Marijuana Decriminalization '' . ABC News . Retrieved April 29 , 2013 . Jump up ^ David R. Bewley - Taylor ( 22 March 2012 ) . International Drug Control : Consensus Fractured . Cambridge University Press . pp. 169 -- . ISBN 978 - 1 - 107 - 37907 - 7 . Jump up ^ Doug Husak ; Peter de Marneffe ( August 29 , 2005 ) . The Legalization of Drugs . Cambridge University Press . ISBN 978 - 1 - 139 - 44585 - 6 . Jump up ^ Lester Grinspoon ; James B. Bakalar ( 1997 ) . Marihuana , the Forbidden Medicine . Yale University Press . pp. 18 -- . ISBN 978 - 0 - 300 - 07086 - 6 . Jump up ^ James A. Inciardi ; Lana D. Harrison ( 11 October 1999 ) . Harm Reduction : National and International Perspectives . SAGE . pp. 84 -- . ISBN 978 - 0 - 7619 - 0688 - 9 . Jump up ^ February 02 , 1997 By SAN FRANCISCO CHRONICLE ( 1997 - 02 - 02 ) . `` Laws Passed In 1979 Va. finds it legalized medical marijuana Law passed in 1979 with no controversy - tribunedigital - baltimoresun '' . Articles.baltimoresun.com . Retrieved 2017 - 01 - 12 . CS1 maint : Multiple names : authors list ( link ) Jump up ^ Matthew Lippman ( 22 August 2013 ) . Essential Criminal Law . SAGE Publications . pp. 298 -- . ISBN 978 - 1 - 4833 - 2447 - 0 . Jump up ^ Michael D. Lyman ( 25 September 2013 ) . Drugs in Society : Causes , Concepts , and Control . Routledge . pp. 398 -- . ISBN 978 - 0 - 12 - 407167 - 4 . Jump up ^ Owner Of First U.S. Marijuana Pharmacy Now Broke And Fighting IRS https://www.forbes.com/sites/janetnovack/2012/07/13/owner-of-nations-first-marijuana-pharmacy-now-broke-and-fighting-irs Forbes.com July 13 , 2012 Jump up ^ `` Election Summary Report , State of Alaska 1998 General Election : Official Results '' . Election Results . State of Alaska Division of Elections. 1 December 1998 . Retrieved 1 February 2017 . ^ Jump up to : `` Active State Medical Marijuana Programs - NORML '' . norml.com . Archived from the original on May 3 , 2008 . Retrieved June 4 , 2008 . Jump up ^ `` 1906 - Present Historical Ballot Initiatives and Referenda '' ( PDF ) . State of Montana . Retrieved May 18 , 2015 . Jump up ^ `` Maine Medical Marijuana '' . Retrieved April 29 , 2012 . Jump up ^ `` Hawaii Becomes First State to Approve Medical Marijuana Bill '' . The New York Times . Associated Press . June 15 , 2000 . Retrieved February 7 , 2017 . Jump up ^ Cook , T ; Powell D ; Bradley T ( November 5 , 2008 ) . `` California Passes Gay Marriage Ban , Legal Challenges to Come '' . ABC News . Retrieved November 12 , 2008 . Jump up ^ `` New Jersey Compassionate Use Medical Marijuana Ac '' . njleg.state.nj.us . Retrieved January 11 , 2010 . Jump up ^ Kocieniewski , David ( January 12 , 2010 ) . `` New Jersey Lawmakers Pass Medical Marijuana Bill '' . nytimes.com . Retrieved January 11 , 2010 . Jump up ^ Bennett , Ken ( August 19 , 2010 ) . `` Ballot Measures '' . Archived from the original on July 25 , 2010 . Retrieved August 24 , 2010 . Jump up ^ `` Bill Text - SB - 1449 Marijuana : possession '' . Leginfo.legislature.ca.gov . Retrieved 2017 - 01 - 12 . Jump up ^ `` Marijuana Laws Washington '' . Jump up ^ Warren , Pat ( April 14 , 2014 ) . `` Jail Time Replaced With Fines : Gov. O'Malley Signs Marijuana Decriminalization Bill '' . CBC Baltimore . Retrieved April 20 , 2014 . Jump up ^ `` Gov. Dayton Signs Medical Marijuana Bill Into Law '' . CBS Minnesota . May 29 , 2014 . Retrieved July 4 , 2014 . Jump up ^ Campbell , Jon ( July 7 , 2014 ) . `` Cuomo signs New York 's medical marijuana bill '' . USA Today . Retrieved July 9 , 2014 . Jump up ^ Bacca , Angela ( 12 July 2014 ) . `` First CBD Law in Nation Goes Into Effect '' . Cannabis Now Magazine . Retrieved 25 August 2015 . Jump up ^ Philip Ross ( 30 April 2015 ) . `` Marijuana Legalization Oklahoma : Gov. Fallin Signs Bill Allowing Clinical Trials Of Medical Cannabis Derivative '' . International Business Times . ^ Jump up to : `` 2014 Ballot Measures '' . Retrieved November 5 , 2014 . Jump up ^ `` Alaska Becomes Third State to Legalize Marijuana '' . February 24 , 2015 . Retrieved February 27 , 2015 . Jump up ^ `` Recreational Marijuana in General '' . Oregon.gov . Retrieved February 27 , 2015 . Jump up ^ `` Georgia Gov. Deal signs medical marijuana bill into law '' . MSNBC . Retrieved April 17 , 2015 . Jump up ^ `` Abbott signs bill to legalize medical cannabis for epilepsy '' . KHOU . Retrieved June 2 , 2015 . Jump up ^ Litten , Kevin ( June 29 , 2015 ) . `` Bobby Jindal signs marijuana bills that reform criminal penalties , medical marijuana access '' . The Times - Picayune . Retrieved February 3 , 2017 . Jump up ^ `` Delaware is 18th state to allow possession of recreational marijuana '' . The Guardian . Retrieved June 19 , 2015 . Jump up ^ Farber Madeline ( 9 June 2016 ) . `` John Kasich Signs Bill Legalizing Medical Marijuana in Ohio '' . Fortune . Retrieved 14 June 2016 . Jump up ^ `` governor wolf signs medical marijuana legalization bill into law '' . wjactv . Retrieved April 18 , 2015 . Jump up ^ Katie Reilly ( July 30 , 2016 ) , `` Illinois Is the Latest State to Decriminalize Small Amounts of Marijuana '' , Time Jump up ^ https://www.forbes.com/sites/tomangell/2017/09/16/new-hampshire-marijuana-decriminalization-takes-effect/#28a72a816250 Jump up ^ United States . Congress . Senate . Committee on the Judiciary . Subcommittee to Investigate Juvenile Delinquency ( 1977 ) . Marijuana decriminalization : hearing before the Subcommittee to Investigate Juvenile Delinquency of the Committee on the Judiciary , United States Senate , Ninety - fourth Congress , first session , pursuant to S. Res. 72 , section 12 , Investigation of juvenile delinquency in the United States , S. 1450 ... May 14 , 1975 . U.S. Government Printing Office . p. 286 . Jump up ^ Aaron Martinez , El Paso 4 : 10 p.m. MDT June 2 , 2015 ( 2015 - 06 - 02 ) . `` 100 years after El Paso becomes first city in U.S. to outlaw pot , debate remains the same '' . Elpasotimes.com . Retrieved 2016 - 10 - 27 . CS1 maint : Multiple names : authors list ( link ) Jump up ^ Marwil , Jonathan ( 1990 ) , A History of Ann Arbor , Ann Arbor : University of Michigan Press , pp. 161 -- 162 . Jump up ^ `` Ann Arbor Votes $5 Fine for the Use of Marijuana '' , The New York Times , April 3 , 1974 , p. 10 . Jump up ^ Altieri , Erik ( 2013 - 07 - 30 ) . `` First Medical Marijuana Sale Reported in Washington , DC NORML Blog , Marijuana Law Reform '' . Blog.norml.org . Retrieved 2016 - 11 - 20 . Jump up ^ `` Measure Z Home Page '' . Oaksterdam Cannabis Museum . Retrieved October 13 , 2015 . Jump up ^ `` Denver votes to legalize marijuana possession '' . USA Today . November 3 , 2005 . Retrieved October 16 , 2014 . Jump up ^ `` Breckenridge Pot Legalization Creates Big Buzz '' . ABC 7 Denver . November 5 , 2009 . Retrieved October 1 , 2014 . Jump up ^ `` Portland , Maine , Legalizes Recreational Marijuana '' . Retrieved October 1 , 2014 . Jump up ^ `` Philadelphia Is Decriminalizing Marijuana Possession '' . Retrieved October 1 , 2014 . Jump up ^ `` Congressional spending deal blocks pot legalization in D.C '' . Washington Post . Retrieved February 18 , 2015 . Jump up ^ `` Pot now legal in D.C. despite threats from Congress '' . U.S.A Today . February 26 , 2015 . Retrieved February 27 , 2015 . Jump up ^ `` Pot in NYC may soon net just a ticket , not an arrest '' . CNN . Retrieved November 12 , 2014 . Jump up ^ `` Vote to decriminalize marijuana passes in Wichita '' . KSN - TV . ^ Jump up to : Janice Williams ( 2016 - 11 - 14 ) . `` Marijuana Legalization In Ohio : Several Cities Vote In Favor Of Decriminalization Laws '' . Ibtimes.com . Retrieved 2016 - 11 - 30 . Jump up ^ `` Arkansas follows nationwide trend to legalize marijuana '' . dailyhelmsman.com . Retrieved 2016 - 11 - 05 . Jump up ^ http://www.kansascity.com/news/politics-government/article143454844.html Jump up ^ http://www.myajc.com/news/local-govt--politics/atlanta-city-council-cuts-penalties-jail-time-for-some-pot-possession/6bAkPrLv0GqO2Am41t5JDN/ Jump up ^ `` Guam Legalizes Medical Marijuana '' . The Huffington Post . Retrieved January 11 , 2015 . Jump up ^ `` Marijuana Possession Now Decriminalized In US Virgin Islands '' . The Daily Chronic . Jump up ^ Alexandra Sifferlin . `` Puerto Rico Governor Signs Executive Order to Legalize Medical Pot '' . TIME.com . Retrieved 28 September 2015 . Jump up ^ the D.O.J. allows indian reservations to grow and sell marijuana , nwherald.com , December 12 , 2014 , retrieved December 24 , 2014 Jump up ^ `` Tribe Bets on Legal Pot '' . US News . June 16 , 2015 . Retrieved July 12 , 2015 . Jump up ^ Lopez , German . `` President Obama wants to treat marijuana like tobacco but not legalize it . Wait , what ? '' . Vox . Retrieved February 27 , 2015 . Jump up ^ Wheaton , Sarah ( March 16 , 2015 ) . `` Obama snuffs stoner dreams of legalization '' . Politico . Retrieved March 16 , 2015 . Jump up ^ Smith , Michael . `` Support for Legal Marijuana Use Up to 60 % in U.S '' . Gallup . Retrieved 2016 - 11 - 20 . Jump up ^ Newport , Frank . `` Record - High 50 % of Americans Favor Legalizing Marijuana Use '' . Gallup . Retrieved 2016 - 11 - 20 . Jump up ^ Juliet Lapidos ( July 26 , 2014 ) . `` The Public Lightens Up About Weed '' . The New York Times . Retrieved July 28 , 2014 . Jump up ^ `` For First Time , Americans Favor Legalizing Marijuana '' . Gallup . October 22 , 2013 . Retrieved April 20 , 2014 . Jump up ^ `` America 's New Drug Policy Landscape '' . Pew Research Center . Pew Research Center . April 2 , 2014 . Retrieved July 28 , 2014 . Jump up ^ Editorial Board ( July 2014 ) . `` Our Position : Repeal Prohibition , Again '' . The New York Times . Retrieved July 28 , 2014 . Jump up ^ `` In U.S. , 58 % Back Legal Marijuana Use '' . Retrieved October 21 , 2015 . Jump up ^ Gates , Gary J. `` Support for Legal Marijuana Use Up to 60 % in U.S '' . Gallup . Retrieved 2017 - 01 - 12 . <Th_colspan="2"> Legality of cannabis in the United States Legalized Alaska California Colorado District of Columbia Maine Massachusetts Nevada Oregon Washington Decriminalized Connecticut Delaware Illinois Maryland Minnesota Mississippi Missouri Nebraska New Hampshire New York North Carolina Ohio Rhode Island U.S. Virgin Islands Vermont Medical status Medical cannabis Arizona Arkansas Connecticut Delaware Florida Guam Hawaii Illinois Louisiana Maryland Michigan Minnesota Montana New Jersey New Mexico New York North Dakota Ohio Pennsylvania Puerto Rico Rhode Island Vermont West Virginia CBD oil only Alabama Georgia Indiana Iowa Kentucky Mississippi Missouri North Carolina Oklahoma South Carolina Tennessee Texas Utah Virginia Wisconsin Wyoming Illegal American Samoa Idaho Kansas Northern Mariana Islands South Dakota Cases Leary v. United States ( 1969 ) Ravin v. State ( 1975 ) Conant v. McCaffrey ( 2000 ) United States v. Oakland Cannabis Buyers ' Cooperative ( 2001 ) Gonzales v. Raich ( 2005 ) Moncrieffe v. 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