Ratios of Past Month Amphetamine Use to Marijuana and Alcohol Use by Those Ages 19 to 28

Source: Monitoring the Future

Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among Those Ages 19 to 28 -- Past Month (1986 - 2004)
Year Amphetamine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1986 4.0 0.18 0.05
1987 3.2 0.15 0.04
1988 2.7 0.15 0.04
1989 2.1 0.14 0.03
1990 1.9 0.14 0.03
1991 1.5 0.11 0.02
1992 1.5 0.11 0.02
1993 1.5 0.11 0.02
1994 1.7 0.12 0.03
1995 1.7 0.12 0.02
1996 1.5 0.10 0.02
1997 1.7 0.11 0.03
1998 1.7 0.11 0.03
1999 1.9 0.12 0.03
2000 2.3 0.14 0.03
2001 2.4 0.14 0.04
2002 2.5 0.15 0.04
2003 2.5 0.14 0.04
2004 2.4 0.15 0.04
Averages: 2.1 0.13 0.03

Navigate to Other Available Data

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

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