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Monitoring the Future -- Trends in Past Year Heroin Use
vs Marijuana Use by Young Adults (1986 - 2008)

Overview of young adult drug use trend comparisons Ages 19 to 28 Drug Use Trend Comparisons College Student Drug Use Trend Comparisons 12th Grade Student Drug Use Trend Comparisons Overview of young adult drug use trend comparisons Ages 19 to 28 Drug Use Trend Comparisons College Student Drug Use Trend Comparisons 12th Grade Student Drug Use Trend Comparisons

Source: Monitoring the Future, Vols I & II (2009)

Ratios of Heroin Use to Marijuana Use Among Young Adults -- Past Year Use (1986 - 2008)
Year Ages 19 Use 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
2005 0.017 0.011 0.024
2006 0.007 0.003 0.028
2007 0.014 0.006 0.023
2008 0.010 0.012 0.026

Other Available Trend and Comparison Data
Click graphics to navigate

Ratios of Heroin Use vs Marijuana Use Across Young Adult Demographics
Lifetime Heroin Use vs Marijuana Past Month Heroin Use vs Marijuana Comparisons Across High School Demographics

Ratios of Heroin Use vs Alcohol Use by Young Adults
Lifetime Heroin Use vs Alcohol Past Year Heroin Use vs Alcohol Past Month Heroin Use vs Alcohol

Comparison Trends by Specific Young Adult Demographics
19 to 28 Year Olds College Students 12th Grade Students

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