Marijuana Use Among U.S. Youth (IMAGE) Florida Atlantic University Caption 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%. Credit Alex Dolce, Florida Atlantic University Usage Restrictions Credit: Alex Dolce, Florida Atlantic University License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.