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


Comparison Trends in Drug Use by Those Ages 19 to 28 Lifetime Tranquilizer Use vs Alcohol and Marijuana (1986 - 2008) Trends in Past Year Tranquilizer Use vs Alcohol and Marijuana (1986 - 2008) Trends in Past Month Tranquilizer 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 Tranquilizer Use vs Marijuana Use Among 19 to 28 Year Olds (1986 - 2008)
Year Lifetime Past Year Past Month
1986 0.26 0.15 0.08
1987 0.25 0.15 0.08
1988 0.24 0.13 0.08
1989 0.21 0.13 0.08
1990 0.21 0.14 0.08
1991 0.20 0.15 0.07
1992 0.20 0.13 0.08
1993 0.19 0.12 0.07
1994 0.18 0.11 0.06
1995 0.18 0.13 0.08
1996 0.17 0.12 0.05
1997 0.16 0.12 0.07
1998 0.18 0.14 0.08
1999 0.18 0.13 0.08
2000 0.19 0.16 0.11
2001 0.21 0.19 0.13
2002 0.24 0.24 0.17
2003 0.24 0.23 0.14
2004 0.26 0.25 0.16
2005 0.25 0.24 0.16
2006 0.26 0.23 0.15
2007 0.26 0.25 0.18
2008 0.28 0.24 0.17
Average 0.22 0.17 0.10


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