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Monitoring the Future -- Trends in Past Year Cocaine Use
vs Alcohol and Marijuana Use Among Those Ages 19 to 28


Cocaine Use Overview Drug vs Marijuana Drug vs Alcohol

Source: Monitoring the Future, Vol II (2009), Table 5-2, pp. 151-152

Ratios of Cocaine Use vs Alcohol and Marijuana Use Among 19 to 28 Year Olds -- Past Year Use
Year vs Alcohol vs Marijuana
1986 0.22 0.54
1987 0.18 0.45
1988 0.16 0.43
1989 0.12 0.37
1990 0.10 0.33
1991 0.07 0.26
1992 0.07 0.23
1993 0.06 0.19
1994 0.05 0.17
1995 0.05 0.17
1996 0.05 0.15
1997 0.05 0.17
1998 0.06 0.18
1999 0.06 0.20
2000 0.06 0.19
2001 0.07 0.20
2002 0.07 0.20
2003 0.08 0.23
2004 0.08 0.24
2005 0.08 0.24
2006 0.08 0.24
2007 0.07 0.22
2008 0.07 0.21
Average 0.09 0.25


Other Available Trend Comparisons
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