This NSDUH report presents results of a survey of illicit substance, alcohol, and tobacco use among people 12 years of age and older. It Includes national estimates of the rates of use, trends, numbers of users, and other measures, such as youth-related prevention measures.

This NSDUH report presents national estimates on the prevalence of mental illness and the use mental health services among people ages 12 and older. The report includes data on co-occurring mental illness with substance use.

This report examines trends in illicit substance use from 2010 to 2011 and from 2002 to 2011 among Americans 12 and older, comparing differences by age group and gender. It also discusses disparities in the need for specialized treatment versus those who actually receive it.