Ratios of new Amphetamine Use to Marijuana and Alcohol Use by Those Ages 18 and Older

Source: National Survey on Drug Use and Health

Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among New Drug Use Initiates -- 18 or Older (1965 - 2003)
Year Amphetamine New Users Ratio vs Marijuana Ratio vs Alcohol
1965 105,000 0.22 0.07
1966 171,000 0.31 0.13
1967 130,000 0.15 0.08
1968 192,000 0.17 0.13
1969 242,000 0.17 0.14
1970 349,000 0.24 0.22
1971 397,000 0.24 0.27
1972 356,000 0.24 0.23
1973 291,000 0.17 0.21
1974 356,000 0.27 0.26
1975 337,000 0.25 0.25
1976 363,000 0.27 0.27
1977 380,000 0.28 0.29
1978 366,000 0.28 0.32
1979 348,000 0.28 0.27
1980 381,000 0.38 0.32
1981 367,000 0.37 0.32
1982 361,000 0.39 0.34
1983 340,000 0.37 0.31
1984 255,000 0.32 0.26
1985 266,000 0.33 0.26
1986 255,000 0.32 0.28
1987 263,000 0.37 0.25
1988 209,000 0.33 0.22
1989 246,000 0.36 0.23
1990 218,000 0.34 0.22
1991 196,000 0.30 0.19
1992 176,000 0.23 0.17
1993 265,000 0.33 0.27
1994 258,000 0.30 0.25
1995 318,000 0.33 0.29
1996 349,000 0.39 0.31
1997 308,000 0.35 0.27
1998 369,000 0.45 0.30
1999 412,000 0.43 0.33
2000 446,000 0.49 0.32
2001 457,000 0.48 0.33
2002 393,000 0.48 0.26
2003 457,000 0.56 0.32
Averages: 310,833 0.38 0.27

Navigate to Other Available Data

Comparison Ratios Overview (New Use) Comparison Ratios Among Age 12 to 17 (New Use) Comparison Ratios Among 12th Grade Students
Comparison Ratios Among College Students Comparison Ratios Among Age 19 to 28 Amphetamine Use Overview
Amphetamine vs Alcohol Use Ratios Amphetamine vs Marijuana Use Ratios Big Picture Drug Use Overview

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