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

Source: Monitoring the Future

Ratios of Cocaine Use vs Marijuana Use and Alcohol Use Among College Students -- Lifetime (1980 - 2004)
Year Cocaine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1980 22.0 0.34 0.23
1981 21.5 0.34 0.23
1982 22.4 0.37 0.24
1983 23.1 0.37 0.24
1984 21.7 0.37 0.23
1985 22.9 0.38 0.24
1986 23.3 0.40 0.25
1987 20.6 0.37 0.22
1988 15.8 0.29 0.17
1989 14.6 0.28 0.16
1990 11.4 0.23 0.12
1991 9.4 0.20 0.10
1992 7.9 0.18 0.09
1993 6.3 0.15 0.07
1994 5.0 0.12 0.06
1995 5.5 0.13 0.06
1996 5.0 0.11 0.06
1997 5.6 0.12 0.06
1998 8.1 0.16 0.09
1999 8.4 0.17 0.10
2000 9.1 0.18 0.11
2001 8.6 0.17 0.10
2002 8.2 0.17 0.10
2003 9.2 0.18 0.11
2004 9.5 0.19 0.11
Averages: 10.1 0.20 0.11

Navigate to Other Available Data

College Cocaine 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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