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Monitoring the Future -- Trends in Past Year Amphetamine Use
vs Marijuana Use by Young Adults (1986 - 2008)


Overview of young adult drug use trend comparisons Ages 19 to 28 Drug Use Trend Comparisons College Student Drug Use Trend Comparisons 12th Grade Student Drug Use Trend Comparisons

Source: Monitoring the Future, Vols I & II (2009)

Ratios of Amphetamine Use to Marijuana Use Among Young Adults -- Past Year Use (1986 - 2008)
Year Ages 19 Use to 28 College Students 12th Grade Students
1986 0.29 0.25 0.35
1987 0.25 0.19 0.34
1988 0.23 0.18 0.33
1989 0.20 0.14 0.36
1990 0.20 0.15 0.34
1991 0.18 0.15 0.34
1992 0.16 0.13 0.32
1993 0.16 0.15 0.32
1994 0.18 0.14 0.31
1995 0.17 0.17 0.27
1996 0.16 0.13 0.27
1997 0.17 0.18 0.26
1998 0.16 0.14 0.27
1999 0.17 0.16 0.27
2000 0.19 0.19 0.29
2001 0.20 0.20 0.29
2002 0.20 0.20 0.31
2003 0.20 0.21 0.28
2004 0.21 0.21 0.29
2005 0.20 0.20 0.29
2006 0.20 0.20 0.31
2007 0.20 0.21 0.28
2008 0.21 0.21 0.29


Other Available Trend and Comparison Data
Click graphics to navigate

Ratios of Amphetamine Use vs Marijuana Use Across Young Adult Demographics

Lifetime Amphetamine Use vs Marijuana Past Month Amphetamine Use vs Marijuana Comparisons Across High School Demographics

Ratios of Amphetamine Use vs Alcohol Use by Young Adults

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

Comparison Trends by Specific Young Adult Demographics

19 to 28 Year Olds College Students 12th Grade Students


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