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Monitoring the Future Study: Trends in Prevalence of Various Drugs for 8th Graders, 10th Graders, and 12th Graders; 2016 - 2019 (in percent)*
Drug Periodo 8th Graders 10th Graders 12th Graders
2016 2017 2018 2019 2016 2017 2018 2019 2016 2017 2018 2019
Alcohol Lifetime [22.80] 23.10 23.50 24.50 [43.40] 42.20 42.20 43.10 61.20 61.50 [58.50] 58.50
Past Year [17.60] 18.20 18.70 19.30 [38.30] 37.70 37.80 37.70 55.60 55.70 [53.30] 52.10
Past Month [7.30] 8.00 8.20 7.90 19.90 19.70 [18.60] 18.40 33.20 33.20 [30.20] 29.30
Daily 0.20 0.20 0.10 0.20 0.50 0.60 0.50 0.60 [1.30] 1.60 1.20 [1.70]
Cigarettes (any use) Lifetime [9.80] 9.40 9.10 10.00 [17.50] 15.90 16.00 14.20 [28.30] 26.60 [23.80] 22.30
Past Month [2.60] [1.90] 2.20 2.30 [4.90] 5.00 4.20 3.40 10.50 9.70 [7.60] [5.70]
Daily [0.90] [0.60] 0.80 0.80 [1.90] 2.20 1.80 1.30 4.80 4.20 3.60 [2.40]
1/2-pack+/day 0.30 0.20 0.30 0.20 [0.60] 0.70 0.70 0.50 1.80 1.70 1.50 [0.90]
E-cigarettes Past Month 6.20 - - - 11.00 - - - 12.50 - - -
Any Vaping Lifetime 17.50 18.50 [21.50] 24.30 29.00 30.90 [36.90] [41.00] 33.80 35.80 [42.50] 45.60
Past Year - 13.30 [17.60] 20.10 - 23.90 [32.30] 35.70 - 27.80 [37.30] 40.60
Past Month 6.20 6.60 [10.40] 12.20 11.00 13.10 [21.70] [25.00] 12.50 16.60 [26.70] [30.90]
Smokeless Tobacco Lifetime 6.90 6.20 6.40 7.10 10.20 9.10 10.00 9.20 14.20 [11.00] 10.10 9.80
Past Month 2.50 [1.70] 2.10 2.50 3.50 3.80 3.90 3.20 6.60 [4.90] 4.20 3.50
Daily 0.60 0.40 0.30 0.50 1.00 0.60 1.00 0.90 2.70 2.00 1.60 1.10
Illicit Drugs Lifetime [17.20] 18.20 18.70 20.40 33.70 34.30 [36.30] 37.50 48.30 48.90 [47.80] 47.40
Past Year [12.00] 12.90 13.40 14.80 26.80 27.80 [29.90] 31.00 38.30 39.90 [38.80] 38.00
Past Month [6.90] 7.00 7.30 8.50 15.90 17.20 [18.30] 19.80 24.40 24.90 24.00 23.70
Bath Salts Past Year 0.90 0.50 0.90 0.00 0.80 0.40 0.50 0.00 0.80 0.60 0.60 0.00
Cocaine Lifetime 1.40 1.30 1.40 1.20 2.10 2.10 2.60 2.50 3.70 4.20 3.90 3.80
Past Year 0.80 0.80 0.80 0.70 1.30 1.40 1.50 1.50 2.30 2.70 2.30 2.20
Past Month 0.30 0.40 0.30 0.30 0.40 0.50 0.60 0.60 0.90 1.20 1.10 1.00
Crack Cocaine Lifetime 0.90 0.80 0.90 0.90 0.80 0.80 1.00 0.90 1.40 1.70 1.50 1.70
Past Year 0.50 0.50 0.40 0.40 [0.40] 0.60 0.60 0.60 0.80 1.00 0.90 1.00
Past Month 0.20 0.30 0.20 0.20 0.20 0.30 0.30 0.30 0.50 0.60 0.50 0.70
GHB Past Year - - - - - - - - 0.90 0.40 - -
Hallucinogens Lifetime 1.90 1.90 2.20 2.40 4.40 4.20 3.90 4.70 6.70 6.70 6.60 6.90
Past Year 1.20 1.10 1.40 1.30 2.90 2.80 2.70 3.10 4.30 4.40 4.30 4.60
Past Month 0.60 0.50 0.60 0.60 0.90 1.10 0.80 [1.30] 1.40 1.60 1.40 1.80
Heroin Lifetime 0.50 0.70 0.60 0.70 0.60 0.40 0.40 0.40 0.70 0.70 0.80 0.60
Past Year 0.30 0.30 0.30 0.30 0.30 0.20 0.20 0.30 0.30 0.40 0.40 0.40
Past Month 0.20 0.20 0.10 0.10 0.20 0.10 0.10 [0.20] 0.20 0.30 0.20 0.30
Inhalants Lifetime [7.70] [8.90] 8.70 9.50 6.60 6.10 6.50 6.80 5.00 4.90 4.40 [5.30]
Past Year [3.80] [4.70] 4.60 4.70 2.40 2.30 2.40 2.80 1.70 1.50 1.60 1.90
Past Month 1.80 2.10 1.80 2.10 1.00 1.10 1.00 1.10 0.80 0.80 0.70 0.90
K2/Spice (Synthetic Marijuana) Past Year 2.70 [2.00] 1.60 [2.70] 3.30 2.70 2.90 2.60 3.50 3.70 3.50 3.30
Ketamine Past Year - 0.00 0.00 0.00 - 0.00 0.00 0.00 1.20 1.20 0.70 0.70
LSD Lifetime 1.20 1.30 1.40 1.60 3.20 3.00 2.80 [3.60] 4.90 5.00 5.10 5.60
Past Year 0.80 0.90 0.90 0.90 2.10 2.10 2.00 2.30 3.00 3.30 3.20 3.60
Past Month 0.40 0.30 0.40 0.40 0.70 0.80 0.50 [1.10] 1.00 1.20 1.00 [1.40]
Marijuana/ Hashish Lifetime [12.80] 13.50 13.90 15.20 29.70 30.70 [32.60] 34.00 44.50 45.00 [43.60] 43.70
Past Year [9.40] 10.10 10.50 11.80 23.90 25.50 [27.50] 28.80 35.60 37.10 [35.90] 35.70
Past Month [5.40] 5.50 5.60 6.60 14.00 [15.70] 16.70 18.40 22.50 22.90 22.20 22.30
Daily [0.70] 0.80 0.70 [1.30] 2.50 2.90 3.40 [4.80] 6.00 5.90 5.80 6.40
MDMA Lifetime [1.70] 1.50 1.60 1.70 [2.80] 2.80 2.40 [3.20] [4.90] 4.90 4.10 3.30
Past Year [1.00] 0.90 1.10 1.10 [1.80] 1.70 1.40 1.70 [2.70] 2.60 2.20 2.20
Past Month 0.30 0.40 0.40 0.50 [0.50] 0.50 0.40 0.70 0.90 0.90 0.50 0.70
Methamphetamine Lifetime 0.60 0.70 0.70 0.90 [0.70] 0.90 0.80 0.70 1.20 1.10 0.70 0.80
Past Year 0.40 0.50 0.40 0.50 [0.40] 0.40 0.40 0.50 0.60 0.60 0.50 0.50
Past Month 0.30 0.20 0.10 0.10 0.20 0.20 0.10 0.30 0.30 0.30 0.30 0.30
PCP Lifetime - - - - - - - - 0.00 - - -
Past Year - 0.00 0.00 - - 0.00 0.00 - 1.30 1.00 1.10 1.10
Past Month - - - - - - - - 0.00 - - -
Rohypnol Lifetime 0.90 0.60 0.70 0.60 1.00 0.70 0.50 0.90 0.00 0.00 0.00 0.00
Past Year 0.50 0.40 0.30 0.40 0.50 0.30 0.30 0.60 1.10 0.80 0.70 0.50
Past Month 0.20 0.10 0.30 0.40 0.30 0.00 0.10 0.20 0.00 0.00 0.00 0.00
Salvia Past Year 0.90 [0.40] 0.60 0.80 0.90 0.90 0.70 0.90 1.80 1.50 0.90 0.70
Any Prescription Drug Lifetime - - - 0.00 - - - 0.00 18.00 16.50 15.50 14.60
Past Year - - - 0.00 - - - 0.00 12.00 10.90 [9.90] [8.60]
Past Month - - - 0.00 - - - 0.00 5.40 4.90 4.20 [3.60]
Adderall Past Year 1.50 1.30 1.80 2.50 4.20 4.00 4.10 3.10 6.20 5.50 [4.60] 3.90
Amphetamine Lifetime [5.70] 5.70 5.90 6.80 8.80 8.20 8.60 8.20 10.00 9.20 8.60 7.70
Past Year 3.50 3.50 3.70 4.10 6.10 5.60 5.70 5.20 6.70 5.90 5.50 [4.50]
Past Month 1.70 1.70 1.80 2.20 2.70 2.50 2.40 2.40 3.00 2.60 2.40 2.00
Cough Medicine (non-prescription) Past Year 2.60 2.10 2.80 3.20 3.00 3.60 3.30 2.60 4.00 3.20 3.40 2.50
Narcotics other than Heroin Lifetime - - - 0.00 - - - 0.00 7.80 6.80 6.00 5.30
Past Year - - - 0.00 - - - 0.00 4.80 4.20 3.40 [2.70]
Past Month - - - 0.00 - - - 0.00 1.70 1.60 1.10 1.00
OxyContin Past Year 0.90 0.80 0.80 1.20 2.10 2.20 2.20 2.00 3.40 2.70 2.30 1.70
Ritalin Past Year 0.80 [0.40] 0.50 1.00 1.20 0.80 - 0.70 [1.20] 1.30 0.90 1.10
Steroids Lifetime 0.90 1.10 1.10 [1.50] 1.30 1.10 1.20 [1.60] [1.60] 0.60 1.60 1.60
Past Year 0.50 0.60 0.60 0.80 0.70 0.70 0.60 0.80 [1.00] 1.10 1.10 1.00
Past Month 0.30 0.30 0.30 0.30 0.30 0.30 0.40 0.40 0.70 0.80 0.80 0.70
Tranquilizers Lifetime 3.00 3.40 3.50 4.00 6.10 6.00 6.00 5.70 7.60 7.50 6.60 6.10
Past Year 1.70 2.00 2.00 2.40 4.10 4.10 3.90 3.40 4.90 4.70 3.90 3.40
Past Month 0.80 0.70 0.90 [1.20] 1.50 1.50 1.30 1.30 1.90 2.00 1.30 1.30
Vicodin Past Year 0.80 0.70 0.60 0.90 1.70 1.50 1.10 1.10 [2.90] [2.00] 1.70 [1.10]
JUUL Lifetime - - - 18.90 - - - 32.80 - - - 0.00
Past Year - - - 14.70 - - - 28.70 - - - 0.00
Past Month - - - 8.50 - - - 18.50 - - - 16.30

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National Survey on Drug Use and Health: Trends in Prevalence of Various Drugs for Ages 12 or Older, Ages 12 to 17, Ages 18 to 25, and Ages 26 or Older; 2018 (in percent)*
Drug Periodo Ages 12 or Older Ages 12 to 17 Ages 18 to 25 Ages 26 or Older
Alcohol Lifetime 80.80 26.30 79.90 87.30
Past Year 65.50 20.80 73.10 69.50
Past Month 51.10 9.00 55.10 55.30
Cigarettes (any use) Lifetime 55.70 9.60 45.90 62.60
Past Year 21.00 5.50 27.90 21.70
Past Month 17.20 2.70 19.10 18.50
Smokeless Tobacco Lifetime 15.60 4.40 16.70 16.70
Past Year 4.00 2.50 7.10 3.70
Past Month 2.90 1.10 4.40 2.90
Illicit Drugs Lifetime 49.20 23.90 55.60 51.20
Past Year 19.40 16.70 38.70 16.70
Past Month 11.70 8.00 23.90 10.10
Cocaine Lifetime 14.70 0.70 11.40 16.80
Past Year 2.00 0.40 5.80 1.60
Past Month 0.70 0.00 1.50 0.70
Crack Cocaine Lifetime 3.40 0.10 1.00 4.10
Past Year 0.30 0.00 0.30 0.30
Past Month 0.20 0.00 0.10 0.20
Hallucinogens Lifetime 15.80 2.30 16.40 17.30
Past Year 2.00 1.50 6.90 1.30
Past Month 0.60 0.60 1.70 0.40
Heroin Lifetime 1.90 0.10 1.30 2.20
Past Year 0.30 0.00 0.50 0.30
Past Month 0.10 0.00 0.20 0.10
Inhalants Lifetime 9.10 8.50 9.00 9.10
Past Year 0.70 2.70 1.50 0.40
Past Month 0.20 0.70 0.40 0.10
LSD Lifetime 10.00 1.30 9.80 11.00
Past Year 0.80 0.80 3.50 0.40
Past Month 0.20 0.20 0.70 0.10
Marijuana/ Hashish Lifetime 45.30 15.40 51.50 47.80
Past Year 15.90 12.50 34.80 13.30
Past Month 10.10 6.70 22.10 8.60
MDMA Lifetime 7.30 0.80 10.50 7.50
Past Year 0.90 0.50 3.10 0.60
Past Month 0.30 0.20 0.70 0.20
Methamphetamine Lifetime 5.40 0.30 2.50 6.50
Past Year 0.70 0.20 0.80 0.70
Past Month 0.40 0.10 0.30 0.40
PCP Lifetime 2.20 0.10 0.60 2.70
Past Year 0.00 0.10 0.00 0.00
Past Month 0.00 0.00 0.00 0.00
Tranquilizers Past Year 2.10 1.70 4.60 1.70
Past Month 0.60 0.30 1.20 0.50
Psychotherapeutics (Nonmedical Use) Past Year 6.20 4.80 12.30 5.30
Past Month 2.00 1.30 3.70 1.80
Pain Relievers Past Year 3.60 2.80 5.50 3.40
Past Month 1.00 0.60 1.40 1.00
Sedatives Past Year 0.40 0.30 0.60 0.40
Past Month 0.10 0.00 0.10 0.10
Stimulants Past Year 1.90 1.50 6.50 1.20
Past Month 0.60 0.50 1.70 0.40