Marijuana Use Declined Nearly One-Third Among U.S. Youth Between 2011 & 2021

About 31.6% fewer U.S. high school students reported current marijuana use in 2021 compared to 2011, at 15.8% compared to 23.1%. The percentage who self-reported trying marijuana for the first time before age 13 also declined, from 8.1% in 2011 to 4.9% in 2021.

In 2021, marijuana use was most prevalent among 12th graders (22.4%), followed by 11th graders (18.7%), with lower usage rates in the earlier grades. From 2011 to 2021, all grades experienced a notable decline in current marijuana use, especially among ninth graders, which saw a decline by . . .