Schizophrenia Overview

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Schizophrenia: A worldwide public health issue

There are approximately 26 million people worldwide with schizophrenia and approximately 2 million adults with schizophrenia in the United States1,2

This is greater than the number of adults suffering from rheumatoid arthritis—and 5 times the number of people with multiple sclerosis3,4

Relative prevalence of schizophrenia2-4


WHO Global Burden of Disease, 2004. Accessed February 29, 2012.
Narrow WE, Rae DS, Robins LN, Regier DA. Revised prevalence estimates of mental disorders in the United States: using a clinical significance criterion to reconcile 2 surveys' estimates. Arch Gen Psychiatry. 2002;59(2):115-123.
Center for Disease Control. Accessed Feb 21, 2012.
National Multiple Sclerosis Society Web site. What we know about MS. Accessed Jan 4, 2011.
National Alliance on Mental Illness. Schizophrenia: Public Attitudes, Personal Needs. Arlington: National Alliance on Mental Illness. June 10, 2008. Accessed February 28, 2012.
Tandon R, Nasrallah HA, Keshavan S. Schizophrenia, just the facts 4. Clinical features and conceptualization. Schizophr Res. 2009;110(1-3):1-23.
McGrath J, Saha S, Welham J, El Saadi O, MacCauley C, Chant D. A systematic review of the incidence of schizophrenia: the distribution of rates and the influence of sex, urbanicity, migrant status and methodology. BMC Med. 2004;2(1):13.
National Association of State Mental Health Program Directors. Morbidity and mortality in people with serious mental illness. Accessed March 9, 2012.
Saha S, Chant D, McGrath, J. A systematic review of mortality in schizophrenia. Is the differential mortality gap worsening over time? Arch Gen Psychiatry. 2007;64(10):1123-1131.