Ratios of Past Year Marijuana Use vs Alcohol Use Among 8th, 10th and 12th Grade Students

Source: Monitoring the Future

Ratios of Marijuana to Alcohol Use -- Past-Year Use (1991 - 2005)
Year 12th Grade 10th Grade 8th Grade
1991 0.31 0.23 0.11
1992 0.29 0.22 0.13
1993 0.36 0.30 0.20
1994 0.42 0.39 0.28
1995 0.47 0.45 0.35
1996 0.49 0.52 0.39
1997 0.51 0.53 0.39
1998 0.50 0.50 0.39
1999 0.51 0.50 0.38
2000 0.50 0.49 0.36
2001 0.50 0.51 0.37
2002 0.51 0.51 0.38
2003 0.50 0.48 0.34
2004 0.49 0.47 0.32
2005 0.49 0.47 0.36
Averages: 0.45 0.44 0.31

Navigate to Other Available Data

Lifetime vs Alcohol Past Month vs Alcohol New Use vs Alcohol
Use Ratios Among Age 19 to 28 Use Ratios Among College Students Use Ratios Among 12th Grade Students
Other Drugs vs Alcohol Use Ratios Other Drugs vs Marijuana Use Ratios Youth Drug Use Overview

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