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 |
| 8th Grade Students | 10th Grade Students | 12th Grade Students |
| College Students | Age 19 to 28 Drug Use Overview | Initiation of Use |
| 8th, 10th & 12th Grade Students | 12th Grade, College & Age 19 to 28 |
| truth: the Anti-drugwar | Anti-drugwar Arsenal | Accept the $1 Challenge |