Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/8/2025

Current Schizophrenia Prevalence and Incidence in the USA

Prevalence Data

  • The American Psychiatric Association's 2020 practice guideline cites a lifetime prevalence of approximately 0.7%, which represents the most recent authoritative estimate 1

Factors Affecting Prevalence Estimates

  • Prevalence estimates vary based on several methodological factors, including study location and population demographics, case-finding approaches, and methods used for diagnostic confirmation 1, 2, 3

Mortality and Morbidity

  • Schizophrenia is associated with significantly increased mortality, with standardized mortality ratios 2-4 times higher than the general population 1
  • About 4-10% of persons with schizophrenia die by suicide, with rates highest among males early in the course of the disorder 1
  • Schizophrenia is ranked among the top 20 causes of disability worldwide 1

Incidence Rate

  • Schizophrenia incidence peaks have been observed in women aged 20-29 and 30-39 years 4

Special Populations

  • Women with schizophrenia represent a particularly vulnerable population during pregnancy and childbirth, with higher risks of various complications for both mothers and infants 3, 4

Epidemiology of Schizophrenia

Global Burden

  • Schizophrenia affects approximately 0.7% of the global population during their lifetime, with 0.32% of the population affected at any given time, representing a significant worldwide health burden with substantial mortality and morbidity implications 5

Special Populations

  • Women with schizophrenia represent a particularly vulnerable population during pregnancy and childbirth 6
  • Pregnancies in women with schizophrenia are associated with significantly increased risks of gestational diabetes, pre-eclampsia/eclampsia, antepartum hemorrhage, preterm and very preterm delivery, stillbirths, and infant mortality 6
  • These findings highlight the need for specialized perinatal care for this population 6