Ratios of Marijuana Use to Alcohol Use
by Those Ages 19 to 28 (1986 - 2004)

Source: Monitoring the Future

Ratios of Marijuana Use vs Alcohol Use Among Those Ages 19 to 28 (1980 - 2004)
Year Lifetime Past Year Past Month
1986 0.70 0.41 0.29
1987 0.70 0.39 0.27
1988 0.67 0.36 0.24
1989 0.66 0.33 0.21
1990 0.64 0.30 0.20
1991 0.62 0.27 0.19
1992 0.60 0.29 0.19
1993 0.61 0.29 0.20
1994 0.59 0.30 0.21
1995 0.59 0.31 0.21
1996 0.59 0.32 0.23
1997 0.59 0.32 0.22
1998 0.60 0.33 0.22
1999 0.61 0.33 0.23
2000 0.61 0.33 0.24
2001 0.62 0.35 0.25
2002 0.63 0.35 0.25
2003 0.64 0.35 0.26
2004 0.64 0.35 0.24
Averages: 0.63 0.33 0.23

Navigate to Other Available Data

Age 19 to 28 Marijuana Use Overview Other Drugs vs Marijuana Use Ratios Other Drugs vs Both Alcohol & Marijuana Use Ratios
8th Grade Use Ratios vs Alcohol 10th Grade Use Ratios vs Alcohol 12th Grade Use Ratios vs Alcohol
College Use Ratios vs Alcohol Use Across 8th, 10th and 12th Grades Use Across 12th Grade, College Students, and Young Adults

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