Ratios of Lifetime Cocaine Use to Marijuana and Alcohol Use by Those Ages 19 to 28

Source: Monitoring the Future

Ratios of Cocaine Use vs Marijuana Use and Alcohol Use Among Those Ages 19 to 28 -- Lifetime (1986 - 2004)
Year Cocaine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1986 32.0 0.48 0.34
1987 29.3 0.44 0.31
1988 28.2 0.44 0.30
1989 25.8 0.41 0.27
1990 23.7 0.39 0.25
1991 21.0 0.36 0.22
1992 19.5 0.35 0.21
1993 16.9 0.30 0.18
1994 15.2 0.28 0.17
1995 13.7 0.26 0.15
1996 12.9 0.24 0.14
1997 12.0 0.22 0.13
1998 12.3 0.23 0.14
1999 12.8 0.23 0.14
2000 12.7 0.23 0.14
2001 13.1 0.24 0.15
2002 13.5 0.24 0.15
2003 14.7 0.26 0.17
2004 15.2 0.26 0.17
Averages: 18.1 0.31 0.20

Navigate to Other Available Data

Age 19 to 28 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 College Use Ratios

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