National Institute of Mental Health (NIH)
Provides currently available statistics on the prevalence and treatment of mental illness among the U.S. population. In addition, information is provided about possible consequences of mental illnesses, such as suicide and disability.
Centers for Disease Control and Prevention (CDC)
Mental Health Data and Statistics
Provides links to a variety of public health data systems related to mental health.
Quick stats, additional data, and trends on mental health issues in the United States.
Substance Abuse and Mental Health Services Administration (SAMHSA)
National Mental Health Services Survey (N-MHSS)
The National Mental Health Services Survey (N-MHSS) is a source of national- and state-level data on the mental health services delivery system reported by both publicly and privately operated specialty mental health treatment facilities.