Ratios of Past Year Crack Use vs to Marijuana Use Among Those Ages 19 to 28, College Students, and 12th Grade Students


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Source: Monitoring the Future

Ratios of Crack to Marijuana Use -- Past Year Use (1986 - 2004)
Year Ages 19 to 28 College Students 12th Grade Students
1986 0.088 0.032 0.106
1987 0.089 0.054 0.107
1988 0.097 0.040 0.094
1989 0.086 0.045 0.105
1990 0.061 0.020 0.070
1991 0.050 0.019 0.063
1992 0.056 0.014 0.068
1993 0.052 0.022 0.058
1994 0.043 0.017 0.062
1995 0.042 0.035 0.061
1996 0.041 0.018 0.059
1997 0.037 0.013 0.062
1998 0.040 0.028 0.067
1999 0.051 0.026 0.071
2000 0.043 0.026 0.060
2001 0.045 0.025 0.057
2002 0.034 0.012 0.064
2003 0.034 0.039 0.063
2004 0.045 0.039 0.067
Averages: 0.053 0.027 0.070

Navigate to Other Available Data

Lifetime vs Marijuana Past Month vs Marijuana New Use vs Marijuana
Use Ratios Among Age 19 to 28 Use Ratios Among College Students Use Ratios Among 12th Grade Students
Other Drugs vs Marijuana Use Ratios Crack vs Alcohol Use Ratios Big Picture Drug Use Overview

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