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


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Source: Monitoring the Future

Ratios of Heroin to Marijuana Use -- Past Year Use (1986 - 2004)
Year Ages 19 to 28 College Students 12th Grade Students
1986 0.005 0.002 0.013
1987 0.006 0.005 0.014
1988 0.006 0.006 0.015
1989 0.007 0.003 0.020
1990 0.004 0.003 0.019
1991 0.004 0.004 0.017
1992 0.008 0.004 0.027
1993 0.008 0.004 0.019
1994 0.004 0.003 0.020
1995 0.015 0.010 0.032
1996 0.015 0.012 0.028
1997 0.011 0.009 0.031
1998 0.015 0.017 0.027
1999 0.014 0.006 0.029
2000 0.014 0.015 0.041
2001 0.017 0.011 0.024
2002 0.007 0.003 0.028
2003 0.014 0.006 0.023
2004 0.010 0.012 0.026
Averages: 0.010 0.007 0.024

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 Heroin vs Alcohol Use Ratios Big Picture Drug Use Overview

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