Using a national survey of 88,183 U.S. adolescents in grades nine to 12, a study shows marijuana use declined from 2011 to 2021. Findings also reveal changing landscapes of use by gender, race, and ethnicity.

Current marijuana use among adolescents decreased from 23.1% in 2011 to 15.8% in 2021. First-time use before age 13 also dropped from 8.1% to 4.9%.
Marijuana has emerged as one of the most commonly…