Poll: 13% of American adults say they smoke marijuana

Although use of the drug is still prohibited by federal law, the number of states that have legalized recreational marijuana use has grown from two in 2013, Colorado and Washington, to four today — with the addition of Alaska and Oregon — plus the District of Columbia. Five states will vote on whether to legalize marijuana this November.

Half of U.S. states (including the four above) have some variation of a medicinal marijuana law on the books, and four more will be voting this fall on whether to legalize marijuana for medicinal use. Both major-party presidential candidates, Hillary Clinton and Donald Trump, have voiced support for medicinal marijuana but say they defer to the states in terms of policymaking on both recreational and medicinal marijuana use.

States’ willingness to legalize marijuana could be a reason for the uptick in the percentage of Americans who say they smoke marijuana, regardless of whether it is legal in their particular state. Gallup finds residents in the West — home of all four states that have legalized recreational marijuana use — are significantly more likely to say they smoke marijuana than those in other parts of the country.