Marijuana use by age group in the United States

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Definitions: Marijuana use in the past month.

Data Source: Data Source: Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Office of Applied Studies.
State Estimates of Substance Use from the National Survey on Drug Use and Health accessed online at

Footnotes: Updated May 2021.
A 95 percent confidence interval for each estimate can be found at Marijuana use by age group.