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Monitoring the Future -- Trends in Amphetamine Use
vs Marijuana Use Among 12th Grade Students


Comparison Trends in Drug Use by 12th Grade Students Lifetime Amphetamine Use vs Alcohol and Marijuana (1975 - 2008) Trends in Past Year Amphetamine Use vs Alcohol and Marijuana (1975 - 2008) Trends in Past Month Amphetamine Use vs Alcohol and Marijuana (1975 - 2008)

Source: Monitoring the Future, Vol I (2009), Tables 5-1, 5-2, and 5-3, pp.191-199

Ratios of Amphetamine Use vs Marijuana Use Among 12th Grade Students (1975 - 2008)
Year Lifetime Past Year Past Month
1975 0.47 0.41 0.31
1976 0.43 0.36 0.24
1977 0.41 0.34 0.25
1978 0.39 0.34 0.23
1979 0.40 0.36 0.27
1980 0.44 0.43 0.36
1981 0.54 0.56 0.50
1982 0.48 0.46 0.38
1983 0.47 0.42 0.33
1984 0.51 0.44 0.33
1985 0.48 0.39 0.26
1986 0.46 0.35 0.24
1987 0.43 0.34 0.25
1988 0.42 0.33 0.26
1989 0.44 0.36 0.25
1990 0.43 0.34 0.26
1991 0.42 0.34 0.23
1992 0.43 0.32 0.24
1993 0.43 0.32 0.24
1994 0.41 0.31 0.21
1995 0.37 0.27 0.19
1996 0.34 0.27 0.19
1997 0.33 0.26 0.20
1998 0.33 0.27 0.20
1999 0.33 0.27 0.19
2000 0.32 0.29 0.23
2001 0.33 0.29 0.25
2002 0.35 0.31 0.26
2003 0.31 0.28 0.24
2004 0.33 0.29 0.23
2005 0.29 0.26 0.20
2006 0.29 0.26 0.20
2007 0.27 0.24 0.20
2008 0.25 0.21 0.15
Average 0.39 0.33 0.25


Other Available Trend and Comparison Data
Click graphics to navigate

Amphetamine Use vs Alcohol -- 12th Grade Amphetamine Use vs Marijuana -- College Amphetamine Use vs Marijuana -- Age 19 to 28

Comparison Trends Overview by Demographic Group

12th Grade Students College Students 19 to 28 Year Olds


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