Source: Substance Abuse and Mental Health Services Administration, US Department of Health and Human Services, Summary of Findings from the 1999 National Household Survey on Drug Abuse (Rockville, MD: SAMHSA, August 2000), pp. G-49, G-60 & G-61.
Over 72 million Americans have used marijuana, yet for every 120 people who have ever tried marijuana, there is only one active, regular user of cocaine.
Source: Substance Abuse and Mental Health Services Administration, US Department of Health and Human Services, National Household Survey on Drug Abuse: Population Estimates 1998 (Washington DC: US Department of Health and Human Services, 1999), pp. 19, 25, 31.
| Substance | Ever Used | Used in Past Year | Used in Past Month | Number of Frequent Users |
| Alcohol | 184.4 million 81.7% |
143.6 million 63.7% |
109.0 million 48.3% |
46.3 million 20.5% |
| Tobacco | 161.0 million 71.4% |
78.6 million 34.8% |
66.4 million 29.5% |
N/A |
| Marijuana | 83.2 million 36.9% |
21.0 million 9.3% |
12.1 million 4.8% |
N/a |
| Cocaine | 27.7 million 12.3% |
4.1 million 1.9% |
1.6 million 0.7% |
N/A |
| Crack | 6.2 million 2.8% |
1.0 0.3% |
0.4 0.2% |
* N/A |
| Heroin | 3.0 million 1.4% |
0.45 0.2% |
0.12 0.1% |
* N/A |
Source: Substance Abuse and Mental Health Services Administration, US Department of Health and Human Services, Results from the 2001 National Household Survey on Drug Abuse: Volume 1. Summary of National Findings (Rockville, MD: Ofice of Applied Studies, August 2002), p. 109, Table H.1; p. 110, Table H.2; p. 129, Table H.21; and p. 130, Table H.22.
Sorry, not much of a correlation