Provides an accessible summary of major drug-use statistical collections which will lead interested readers to sources of more detailed information. Data are presented on drug use patterns (including trends and international comparisons); the economics of drug use; drug use among special population groups; the health impacts of drug use; treatment services; and drug-related crime and law enforcement. This report and others in the Drug Statistics Series will be useful resources for policy-makers, planners and researchers interested in drug-related matters.