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Monitoring the Future -- Trends in Past Year Marijuana Use
vs Alcohol 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

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

Ratios of Marijuana Use to Alcohol Use Among Young Adults -- Past-Year Use (1986 - 2008)
Year Ages 19 Use to 28 College Students 12th Grade Students
1986 0.41 0.45 0.46
1987 0.39 0.41 0.42
1988 0.36 0.39 0.39
1989 0.33 0.38 0.36
1990 0.30 0.33 0.33
1991 0.27 0.30 0.31
1992 0.29 0.32 0.29
1993 0.29 0.33 0.36
1994 0.30 0.35 0.42
1995 0.31 0.38 0.47
1996 0.32 0.40 0.49
1997 0.32 0.38 0.51
1998 0.33 0.42 0.50
1999 0.33 0.42 0.51
2000 0.33 0.41 0.50
2001 0.35 0.43 0.50
2002 0.35 0.42 0.51
2003 0.35 0.41 0.50
2004 0.35 0.41 0.49
2005 0.35 0.43 0.50
2006 0.35 0.42 0.51
2007 0.35 0.41 0.50
2008 0.35 0.41 0.49


Other Available Trend and Comparison Data
Click graphics to navigate

Ratios of Marijuana Use vs Alcohol Use Across Young Adult Demographics

Lifetime Marijuana Use vs Alcohol Past Month Marijuana Use vs Alcohol Comparisons Across High School Demographics

Comparison Trends by Specific Young Adult Demographics

19 to 28 Year Olds College Students 12th Grade Students


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