Ratios of Lifetime Heroin Use vs Marijuana Use Among 8th, 10th and 12th Grade Students

Source: Monitoring the Future

Ratios of Heroin to Marijuana Use -- Lifetime Use (1991 - 2005)
Year 12th Grade 10th Grade 8th Grade
1991 0.025 0.051 0.118
1992 0.037 0.056 0.125
1993 0.031 0.053 0.111
1994 0.031 0.049 0.120
1995 0.038 0.050 0.116
1996 0.040 0.053 0.104
1997 0.042 0.050 0.093
1998 0.041 0.058 0.104
1999 0.040 0.056 0.105
2000 0.049 0.055 0.094
2001 0.037 0.042 0.083
2002 0.036 0.047 0.083
2003 0.033 0.041 0.091
2004 0.033 0.043 0.098
2005 0.033 0.044 0.091
Averages: 0.037 0.050 0.103

Navigate to Other Available Data

Past Year vs Marijuana Past Month vs Marijuana New Use vs Marijuana
Use Ratios Among Age 19 to 28 Use Ratios Among College Students Use Ratios Among 12th Grade Students
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