National Survey on Drug Use and Health: Summary of National Findings

The survey is the primary source of information on the use
of illicit drugs, alcohol, and tobacco in the civilian, noninstitutionalized population of the United
States aged 12 years old or older. Approximately 67,500 persons are interviewed in NSDUH
each year. Unless otherwise noted, all comparisons in this report that are described using terms
such as “increased,” “decreased,” or “more than” are statistically significant at the .05 level. Read entire report.