Trends & Statistics

NIDA uses multiple sources to monitor the prevalence and trends regarding drug use in the United States. The resources on this webpage cover a variety of drug-related issues, including information on drug use, emergency room data, prevention and treatment programs, and other research findings. Read the DrugFacts.

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Related Resources

For older content, visit the Archived Trends & Statistics.

Other Resources

Clinical Trials

Clinical trials are research studies in human volunteers conducted to answer specific health questions. Learn about the NIH-sponsored clinical trials available to you.