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National Survey on Drug Use and Health &
National Household Survey on Drug Abuse
Trends in Marijuana Use (1979 - 2008)

Trends by Drug Type Trends by Relative Popularity

Trends in Lifetime Drug Use (1979 - 2008) by Percent of Population Trends in Past Year Drug Use (1979 - 2008) by Percent of Population Trends in Past Month Drug Use (1979 - 2008) by Percent of Population Trends in Marijuana Use (1979 - 2008) by Number of Users Trends in Lifetime Drug Use (1979 - 2008) by Number of Users Trends in Past Year Drug Use (1979 - 2008) by Number of Users Trends in Past Month Drug Use (1979 - 2008) by Number of Users

Sources: National Survey on Drug Use and Health & National Household Survey on Drug Abuse, Multiple Years

Marijuana Use Among Those 12 and Older -- by Percent of Population (1979 -2008)
Year Ever Used Past Year Past Month
1979 27.9 16.6 13.2
1982 28.6 15.9 11.5
1985 29.4 13.6 9.7
1988 30.6 9.8 6.2
1991 30.5 8.9 5.1
1992 30.2 7.9 4.7
1993 31.0 8.5 4.6
1994 31.1 8.5 4.8
1995 31.0 8.4 4.7
1996 32.0 8.6 4.7
1997 32.9 9.0 5.1
1998 33.0 8.6 5.0
1999 34.6 8.6 4.7
2000 34.2 8.3 4.8
2001 36.9 9.3 5.4
2002 40.4 11.0 6.2
2003 40.6 10.6 6.2
2004 40.2 10.6 6.1
2005 40.1 10.4 6.0
2006 39.8 10.3 6.0
2007 40.6 10.1 5.8
2008 41.0 10.3 6.1

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