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


Magnified View of Graphic

Source: Monitoring the Future

Ratios of Heroin to Marijuana Use -- Past Month Use (1986 - 2004)
Year Ages 19 to 28 College Students 12th Grade Students
1986 0.005 -- 0.009
1987 0.005 0.005 0.010
1988 0.006 0.006 0.011
1989 0.006 0.006 0.018
1990 0.007 -- 0.014
1991 -- 0.007 0.014
1992 0.008 -- 0.025
1993 0.007 -- 0.013
1994 0.007 -- 0.016
1995 0.007 0.005 0.028
1996 0.007 -- 0.023
1997 0.007 0.011 0.021
1998 0.007 0.005 0.022
1999 0.006 0.005 0.022
2000 0.006 0.010 0.032
2001 0.018 0.005 0.018
2002 -- -- 0.023
2003 0.006 -- 0.019
2004 0.006 0.005 0.025
Averages: 0.007 0.006 0.019

Lifetime vs Marijuana Past Year 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

truth: the Anti-drugwar Anti-drugwar Arsenal Accept the $1 Challenge