Ratios of Lifetime Amphetamine Use to Marijuana and Alcohol Use by College Students

Source: Monitoring the Future

Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among College Students -- Lifetime (1980 - 2004)
Year Amphetamine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1980 29.5 0.45 0.31
1981 29.4 0.46 0.31
1982 30.1 0.50 0.32
1983 27.8 0.44 0.29
1984 27.8 0.47 0.30
1985 25.4 0.42 0.27
1986 22.3 0.39 0.23
1987 19.8 0.35 0.21
1988 17.7 0.33 0.19
1989 14.6 0.28 0.16
1990 13.2 0.27 0.14
1991 13.0 0.28 0.14
1992 10.5 0.24 0.11
1993 10.1 0.24 0.11
1994 9.2 0.22 0.10
1995 10.7 0.26 0.12
1996 9.5 0.21 0.11
1997 10.6 0.23 0.12
1998 10.6 0.21 0.12
1999 11.9 0.23 0.14
2000 12.3 0.24 0.14
2001 12.4 0.24 0.14
2002 11.9 0.24 0.14
2003 12.3 0.24 0.14
2004 12.7 0.26 0.15
Averages: 12.9 0.26 0.14

Navigate to Other Available Data

College Amphetamine Use Overview Past Year Ratios of Use Past Month Ratios of Use
Use Ratios vs Alcohol Use Ratios vs Marijuana 8th Grade Use Ratios
10th Grade Use Ratios 12th Grade Use Ratios Age 19 to 28 Use Ratios

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