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Monitoring the Future -- Trends in Past Year Cocaine 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

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

Ratios of Cocaine Use to Marijuana Use Among Young Adults -- Past Year Use (1986 - 2008)
Year Ages 19 Use to 28 College Students 12th Grade Students
1986 0.54 0.42 0.33
1987 0.45 0.37 0.28
1988 0.43 0.29 0.24
1989 0.37 0.24 0.22
1990 0.33 0.19 0.20
1991 0.26 0.14 0.15
1992 0.23 0.11 0.14
1993 0.19 0.10 0.13
1994 0.17 0.07 0.12
1995 0.17 0.12 0.12
1996 0.15 0.09 0.14
1997 0.17 0.11 0.14
1998 0.18 0.13 0.15
1999 0.20 0.13 0.16
2000 0.19 0.14 0.14
2001 0.20 0.13 0.13
2002 0.20 0.14 0.14
2003 0.23 0.16 0.14
2004 0.24 0.20 0.15
2005 0.20 0.13 0.13
2006 0.20 0.14 0.14
2007 0.23 0.16 0.14
2008 0.24 0.20 0.15

Other Available Trend and Comparison Data
Click graphics to navigate

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

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

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

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