How many teens use marijuana?

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Past-Year Marijuana Vaping Holds Steady, Daily Use Decreases: Figure 4:Past-Year Marijuana Vaping The percentage of teens who vaped marijuana in the past 12 months remained stable between 2019 and 2020; Figure 5: Daily or Near-Daily Marijuana Vaping Decreased Significantly Among 10th Graders The percentage of respondents who vaped marijuana daily or almost daily decreased significantly among 10th graders.
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Marijuana Use Remains Steady:  Since 2018, both past-year and daily marijuana use remained nearly the same across all age groups.

The chart below shows the percentage of teens who say they use marijuana.

Swipe left or right to scroll.

Monitoring the Future Study: Trends in Prevalence of Various Drugs for 8th Graders, 10th Graders, and 12th Graders; 2020 (in percent)*
Drug Time Period 8th Graders 10th Graders 12th Graders
Any Vaping Lifetime 24.1 41.0 47.2
Past Year 19.2 34.6 39.0
Past Month 12.5 23.5 28.2
Vaping (Marijuana) Lifetime 10.2 22.7 [27.9]
Past Year 8.1 19.1 22.1
Past Month 4.2 11.3 12.2
Daily 0.7 [1.7] 2.5
Marijuana Lifetime 14.8 33.3 43.7
Past Year 11.4 28.0 35.2
Past Month 6.5 16.6 21.1
Daily 1.1 4.4 6.9

Explore teen substance use trends over time, by grade and substance with an interactive chart featuring Monitoring the Future data from 2016 to present.

For more statistics on teen drug use, see NIDA’s Monitoring the Future study.