truth: the Anti-drugwar
Homepage	Sitemap

Monitoring the Future -- Trends in Lifetime Marijuana Use
HS Senior Class Cohorts of 1995 through 2008

Source: Monitoring the Future, 2009, Table 5-5a, pp.202-04

Lifetime Marijuana Use Within HS Senior Cohorts -- Classes of 1995 through 2008
Class of: 8th Grade 10th Grade 12th Grade

1995 10.2 24.4 41.7

1996 11.2 30.4 44.9

1997 12.6 34.1 49.6

1998 16.7 39.8 49.1

1999 19.9 42.3 49.7

2000 23.1 39.6 48.8

2001 22.6 40.9 49.0

2002 22.2 40.3 47.8

2003 22.0 40.1 46.1

2004 20.3 38.7 45.7

2005 20.4 36.4 44.8

2006 19.2 35.1 42.3

2007 17.5 34.1 41.8

2008 16.3 31.8 42.6

Lifetime Marijuana Use Within HS Senior Cohorts -- Classes of 1995 through 2008
Class of:	8th Grade	10th Grade	12th Grade
1995	10.2	24.4	41.7
1996	11.2	30.4	44.9
1997	12.6	34.1	49.6
1998	16.7	39.8	49.1
1999	19.9	42.3	49.7
2000	23.1	39.6	48.8
2001	22.6	40.9	49.0
2002	22.2	40.3	47.8
2003	22.0	40.1	46.1
2004	20.3	38.7	45.7
2005	20.4	36.4	44.8
2006	19.2	35.1	42.3
2007	17.5	34.1	41.8
2008	16.3	31.8	42.6

Note: Data has been adjusted chronologically to reflect changes in drug use patterns within each senior class cohort. That is, the 10th grade and 8th grade data are taken from the corresponding 2 years and 4 years prior respectively to the year shown, for each cohort class.

truth: the Anti-drugwar
Homepage	Sitemap

Monitoring the Future -- Trends in Lifetime Marijuana Use HS Senior Class Cohorts of 1995 through 2008

Monitoring the Future -- Trends in Lifetime Marijuana Use
HS Senior Class Cohorts of 1995 through 2008