12% Currently Smoke Marijuana

Nearly half of Americans aged 18 or older have tried marijuana, according to a 2017 Gallup survey. The 45 percent who have ever tried marijuana is the highest figure recorded in all the years Gallup has been tracking marijuana use beginning in 1969 (when only 4 percent had ever tried it). A substantial 12 percent of Americans currently smoke marijuana, with younger adults most likely to do so...

Currently smoke marijuana
Aged 18 to 29: 18%
Aged 30 to 49: 10%
Aged 50 to 64: 8%
Aged 65-plus: 3%

Source: Gallup, In U.S., 45% Say They Have Tried Marijuana