Marijuana Trends & Statistics

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Monitoring the Future Study: Trends in Prevalence of Various Drugs for 8th Graders, 10th Graders, and 12th Graders; 2018 (in percent)*
Drug Time Period 8th Graders 10th Graders 12th Graders
Marijuana/ Hashish Lifetime 13.90 [32.60] [43.60]
Past Year 10.50 [27.50] [35.90]
Past Month 5.60 16.70 22.20
Daily 0.70 3.40 5.80
Any Vaping Lifetime [21.50] [36.90] [42.50]
Past Year [17.60] [32.30] [37.30]
Past Month [10.40] [21.70] [26.70]

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National Survey on Drug Use and Health: Trends in Prevalence of Marijuana/ Hashish for Ages 12 or Older, Ages 12 to 17, Ages 18 to 25, and Ages 26 or Older; 2017 (in percent)*
Drug Time Period Ages 12 or Older Ages 12 to 17 Ages 18 to 25 Ages 26 or Older
Marijuana/ Hashish Lifetime 45.20 15.30 52.70 47.50
Past Year 15.00 12.40 34.90 12.20
Past Month 9.60 6.50 22.10 7.90