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Monitoring the Future -- Trends in Past Month Amphetamine Use
vs Marijuana Use by Adolescents (1991 - 2008)


Overview of adolescent drug use trend comparisons 12th Grade Drug Use Trend Comparisons 10th Grade Drug Use Trend Comparisons 8th Grade Drug Use Trend Comparisons

Source: Monitoring the Future, Vol I (2009), Table 5-5a, pp. 210-213

Ratios of Amphetamine Use to Marijuana Use Among High School Students -- Past Month Use (1991 - 2008)
Year 12th Grade 10th Grade 8th Grade
1991 0.23 0.38 0.81
1992 0.24 0.44 0.89
1993 0.24 0.39 0.71
1994 0.21 0.28 0.46
1995 0.19 0.31 0.46
1996 0.19 0.27 0.41
1997 0.20 0.25 0.37
1998 0.20 0.27 0.34
1999 0.19 0.26 0.35
2000 0.23 0.27 0.37
2001 0.25 0.28 0.35
2002 0.26 0.29 0.34
2003 0.24 0.25 0.36
2004 0.23 0.25 0.36
2005 0.20 0.24 0.35
2006 0.20 0.25 0.32
2007 0.20 0.28 0.35
2008 0.15 0.20 0.38


Other Available Trend and Comparison Data
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Ratios of Amphetamine Use vs Marijuana Use by Adolescents

Lifetime Ratios of Amphetamine Use vs Marijuana Past Year Ratios of Amphetamine Use vs Marijuana Comparisons Across Young Adult Demographics

Ratios of Amphetamine Use vs Alcohol Use by Adolescents

Lifetime Amphetamine Use vs Alcohol Past Year Amphetamine Use vs Alcohol Past Month Amphetamine Use vs Alcohol

Comparison Trends Overview by Demographic Group

8th Grade Students 10th Grade Students 12th Grade Students


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