Ratios of Lifetime Cocaine Use to Marijuana and Alcohol Use by 12th Grade Students

Source: Monitoring the Future

Ratios of Cocaine Use vs Marijuana Use and Alcohol Use Among 12th Grade Students -- Lifetime (1975 - 2005)
Year Cocaine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1975 9.0 0.19 0.10
1976 9.7 0.18 0.11
1977 10.8 0.19 0.12
1978 12.9 0.22 0.14
1979 15.4 0.25 0.17
1980 15.7 0.26 0.17
1981 16.5 0.28 0.18
1982 16.0 0.27 0.17
1983 16.2 0.28 0.17
1984 16.1 0.29 0.17
1985 17.3 0.32 0.19
1986 16.9 0.33 0.19
1987 15.2 0.30 0.16
1988 12.1 0.26 0.13
1989 10.3 0.24 0.11
1990 9.4 0.23 0.11
1991 7.8 0.21 0.09
1992 6.1 0.19 0.07
1993 6.1 0.17 0.08
1994 5.9 0.15 0.07
1995 6.0 0.14 0.07
1996 7.1 0.16 0.09
1997 8.7 0.18 0.11
1998 9.3 0.19 0.11
1999 9.8 0.20 0.12
2000 8.6 0.18 0.11
2001 8.2 0.17 0.10
2002 7.8 0.16 0.10
2003 7.7 0.17 0.10
2004 8.1 0.18 0.11
2005 8.0 0.18 0.11
Averages: 10.8 0.22 0.12

Navigate to Other Available Data

12th Grade 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 College Use Ratios Age 19 to 28 Use Ratios

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