What percentage of Japanese have mental illness?
Jackson Reed
Updated on March 09, 2026
Results: Lifetime/12-month prevalence of any DSM-IV common mental disorders in Japan was estimated to be 20.3/7.6%.
DSM-IV
After some further revisions (resulting in its being called DSM-I), the Diagnostic and Statistical Manual of Mental Disorders was approved in 1951 and published in 1952.
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