In the United States, the non-medical use of cannabis is legalized in 23 states and decriminalized in 8 states, as of May 2023. Decriminalization refers to a policy of reduced penalties for cannabis offenses, typically involving a civil penalty for possessing small amounts, instead of criminal prosecution or the threat of arrest. In jurisdictions without penalty the policy is referred to as legalization, although the term decriminalization is sometimes used for this purpose as well.
In the United States, increased restrictions and labeling of cannabis as a poison began in many states from 1906 onward, and outright prohibitions began in the 1920s. By the mid-1930s cannabis was regulated as a drug in every state, including 35 states that adopted the Uniform State Narcotic Drug Act. The first national regulation was the Marihuana Tax Act of 1937.
In the United States, the use of cannabis for medical purposes is legal in 38 states, four out of five permanently inhabited U.S. territories, and the District of Columbia, as of March 2023. Ten other states have more restrictive laws limiting THC content, for the purpose of allowing access to products that are rich in cannabidiol (CBD), a non-psychoactive component of cannabis. There is significant variation in medical cannabis laws from state to state, including how it is produced and distributed, how it can be consumed, and what medical conditions it can be used for.
Kevin Abraham Sabet is a former three-time White House Office of National Drug Control Policy advisor, having been the only person appointed to that office by both a Republican and Democrat. He is also an assistant professor adjunct at Yale University Medical School, a fellow at Yale's Institution for Social and Policy Studies, and a columnist at Newsweek.
Washington Initiative 502 (I-502) "on marijuana reform" was an initiative to the Washington State Legislature, which appeared on the November 2012 general ballot, passing by a margin of approximately 56 to 44 percent. Originally submitted to the Washington Secretary of State during the summer of 2011, enough signatures were collected and submitted by December to meet the required 241,153 signatures, sending it to the legislature. When the legislature adjourned without action in April, Initiative 502 automatically advanced to the November 2012 general ballot. It was approved by popular vote on November 6, and took effect over the course of a year, beginning with certification no later than December 6, 2012. Along with a similar Colorado measure, Initiative 502 was credited for encouraging voter turnout of 81%, the highest in the nation.
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 became the first state to legalize medical cannabis, sparking a trend that spread to a majority of states by 2016. In 2012, Washington and Colorado became the first states to legalize cannabis for recreational use.
Cannabis in Massachusetts is legal for medical and recreational use. It also relates to the legal and cultural events surrounding the use of cannabis. A century after becoming the first U.S. state to criminalize recreational cannabis, Massachusetts voters elected to legalize it in 2016.
The Ending Federal Marijuana Prohibition Act is a series of federal marijuana decriminalization bills that have been introduced multiple times in the United States Congress.
Cannabis in Georgia is illegal for recreational use, but decriminalized in the cities of Atlanta, Savannah, Macon, Athens, and others. Limited medical use is allowed in the form of cannabis oil containing less than 5% THC.
Cannabis in Arizona is legal for recreational use. A 2020 initiative to legalize recreational use passed with 60% of the vote. Possession and cultivation of recreational cannabis became legal on November 30, 2020, with the first state-licensed sales occurring on January 22, 2021.
Cannabis in Pennsylvania is illegal for recreational use, but possession of small amounts is decriminalized in several of the state's largest cities. Medical use was legalized in 2016 through a bill passed by the state legislature.
Cannabis in Missouri is legal for recreational use. A ballot initiative to legalize recreational use passed by a 53–47 margin on November 8, 2022. Possession for adults 21 and over became legal on December 8, 2022, with the first licensed sales occurring on February 3, 2023.
Cannabis in Washington relates to a number of legislative, legal, and cultural events surrounding the use of cannabis. On December 6, 2012, Washington became the first U.S. state to legalize recreational use of marijuana and the first to allow recreational marijuana sales, alongside Colorado. The state had previously legalized medical marijuana in 1998. Under state law, cannabis is legal for medical purposes and for any purpose by adults over 21.
In Washington, D.C., cannabis is legal for both medical use and recreational use for possession, personal use, cultivation, transportation and gifting, and for retail sale once a regulatory system is implemented following an affirmative vote by the residents on a 2014 ballot initiative. The United States Congress exercises oversight over the government of the District of Columbia, preventing the local government from regulating cannabis sales like other jurisdictions with authority derived from a U.S. state.
Cannabis in Israel is allowed for specified medical usage, and is illegal but partially decriminalized for recreational use, with prosecution for home use and possession of 15 grams or less generally not enforced by the authorities. Public and cross-party political support for the complete decriminalization of cannabis increased in the 2010s with increasing usage for both medical and recreational purposes, and the establishment of a political party primarily devoted to this cause; on July 19, 2018, the Knesset approved a bill for decriminalization, although the supporters of recreational cannabis use insisted that this did not represent complete decriminalization. The law came into effect on April 1, 2019. On June 25, 2020, further legislation designed to decriminalize possession of up to 50 grams of cannabis began its passage through the Knesset.
The Cannabis Act (C-45) of June, 2018 paved the way for the legalization of cannabis in Canada on 17 October 2018. Police and prosecution services in all Canadian jurisdictions are currently capable of pursuing criminal charges for cannabis marketing without a licence issued by Health Canada. The Supreme Court of Canada has held that the federal Parliament has the power to criminalize the possession of cannabis and that doing so does not infringe upon the Canadian Charter of Rights and Freedoms. The Ontario Court of Appeal and the Superior Court of Ontario have, however, held that the absence of a statutory provision for medical marijuana is unconstitutional, and to that extent the federal law is of no force and/or effect if a prescription is obtained. The recreational use of cannabis has been legalized by the federal government, and took effect on 17 October 2018.
During the administration of American President Jimmy Carter (1977–1981), the United States gave further consideration to the decriminalization of cannabis (marijuana), with the support of the president. However, law enforcement, conservative politicians, and grassroots parents' groups opposed this measure. The net result of the Carter administration was the continuation of the War on Drugs and restrictions on cannabis, while at the same time cannabis consumption in the United States reached historically high levels.
The Cannabis Regulation and Tax Act is an act legalizing and regulating the production, consumption, and sale of cannabis in Illinois. It was approved by both houses by May 31, 2019 and came into effect January 1, 2020.
The Marijuana Opportunity Reinvestment and Expungement Act, also known as the MORE Act, is a proposed piece of U.S. federal legislation that would deschedule cannabis from the Controlled Substances Act and enact various criminal and social justice reforms related to cannabis, including the expungement of prior convictions.
