30-day prevalence of marijuana use within grades 8, 10, and 12 in the U.S. 1991-2022
Some 12 percent of U.S. respondents in grades 8, 10, and 12 in 2022 stated that they used marijuana/hashish within 30 days. This survey shows the 30-day prevalence of use of marijuana/hashish for grades 8, 10, and 12 combined, from 1991 to 2022.