Trends in Marijuana Use
Among Those Ages 19 to 28 (1986 - 2004)

Source: Monitoring the Future


Marijuana Use Among Those Ages 19 to 28 (1986 - 2004)
Year Lifetime Past Year Past Month
1986 66.5 36.5 22.0
1987 66.0 34.8 20.7
1988 63.8 31.8 17.9
1989 62.8 29.0 15.5
1990 60.2 26.1 13.9
1991 58.6 23.8 13.5
1992 56.4 25.2 13.3
1993 55.9 25.1 13.4
1994 53.7 25.5 14.1
1995 53.6 26.5 14.0
1996 53.5 27.0 15.1
1997 53.8 26.8 15.0
1998 54.4 27.4 14.9
1999 54.6 27.6 15.6
2000 55.1 27.9 16.1
2001 55.7 29.2 16.7
2002 56.8 29.3 16.9
2003 57.2 29.0 17.3
2004 57.4 29.2 16.5
Averages: 57.7 28.3 15.9


Marijuana Use by Demographic Group

8th Grade Students 10th Grade Students 12th Grade Students
College Students Age 19 to 28 Drug Use Overview Initiation of Use


Marijuana Use Comparisons Across Demographic Groups

8th, 10th & 12th Grade Students 12th Grade, College & Age 19 to 28


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