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Monitoring the Future -- Trends in Other Narcotic Use
vs Marijuana Use Among 12th Grade Students


Comparison Trends in Drug Use by Those Ages 19 to 28 Lifetime Other Narcotic Use vs Alcohol and Marijuana (1986 - 2008) Trends in Past Year Other Narcotic Use vs Alcohol and Marijuana (1986 - 2008) Trends in Past Month Other Narcotic Use vs Alcohol and Marijuana (1986 - 2008)

Source: Monitoring the Future, Vol II (2009), Tables 5-1, 5-2, and 5-3, pp. 148-154

Ratios of Other Narcotic Use vs Marijuana Use Among 19 to 28 Year Olds (1986 - 2008)
Year Lifetime Past Year Past Month
1986 0.16 0.08 0.04
1987 0.16 0.09 0.04
1988 0.15 0.08 0.04
1989 0.15 0.10 0.05
1990 0.16 0.10 0.05
1991 0.16 0.11 0.04
1992 0.16 0.10 0.05
1993 0.14 0.09 0.05
1994 0.15 0.10 0.04
1995 0.17 0.11 0.06
1996 0.16 0.11 0.05
1997 0.17 0.12 0.06
1998 0.17 0.12 0.06
1999 0.17 0.14 0.08
2000 0.18 0.15 0.09
2001 0.21 0.17 0.10
2002 0.24 0.24 0.17
2003 0.29 0.29 0.17
2004 0.31 0.31 0.18
2005 0.31 0.31 0.22
2006 0.33 0.33 0.20
2007 0.33 0.31 0.21
2008 0.35 0.32 0.23
Average 0.21 0.17 0.10


Other Available Trend and Comparison Data
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Other Narcotics Use vs Alcohol -- Age 19 to 28 Other Narcotics Use vs Marijuana -- 12th Grade Other Narcotics Use vs Marijuana -- College Students

Comparison Trends Overview by Demographic Group

12th Grade Students College Students 19 to 28 Year Olds


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