Statistics compiled by the Agency for Healthcare Research and Quality (AHRQ) a part of the U.S. Department of Health & Human Services.
Center for Disease Control: Mental Health Data & Statistics
The CDC publishes statistics on depression, non-specific psychological distress, Alzheimer’s disease, the stigma of mental illness, and well-being.
SAMHSA: Mental Health Statistics
"SAMHSA's Center for Mental Health Services (CMHS) provides guidance and technical assistance to decision makers at all levels of government on the design, structure, content, and use of mental health information systems, with the ultimate goal of improving the quality of mental health programs and services delivery."
National Institute of Mental Health: Statistics
This section of the NIMH website contains statistics related to many topics in mental health. The data includes the prevalence of mental illness, disability issues, suicide and the financial impact of mental illness.