American Psychiatric Association

The American Psychiatric Association (APA) stands as the primary professional body for psychiatrists and aspiring psychiatrists in the United States, holding the distinction of being the largest psychiatric organization globally. With over 37,000 members engaged in psychiatric practice, research, and academia, the APA represents a diverse patient population spanning more than 100 countries. The association is actively involved in publishing various journals and pamphlets, in addition to producing the Diagnostic and Statistical Manual of Mental Disorders (DSM). The DSM serves as a comprehensive guide for diagnosing mental disorders, primarily utilized in the United States. The APA's headquarters are situated in Washington, DC.