The survey was conducted at medical facilities on one designated date set for each institution from three days in October.
The estimated number of patients refers to the number of patients who received treatments at medical facilities on the surveyed day. It excludes the number of returning outpatients who were not treated during that period.
Citation formats
Number of patients with mental disorders Japan 2023, by age and illness type
As of October 2023, there were thousand patients in a day who were aged between **** years with mental and behavioral disorders, the highest number among all age cohorts. Over ** thousand of them were diagnosed with schizophrenia, schizotypal personality disorder, or delusional disorder.
Profit from the additional features of your individual account
Currently, you are using a shared account. To use individual functions (e.g., mark statistics as favourites, set
statistic alerts) please log in with your personal account.
If you are an admin, please authenticate by logging in again.
Learn more about how ÌÇÐÄÆƽâ°æ can support your business.
MHLW (Japan). (June 30, 2025). Estimated number of patients per day with mental and behavioral disorders in Japan in October 2023, by age group and illness type (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1270346/japan-number-patients-mental-behavioral-disorders-by-age-and-disorder-type/
MHLW (Japan). "Estimated number of patients per day with mental and behavioral disorders in Japan in October 2023, by age group and illness type (in 1,000s)." Chart. June 30, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1270346/japan-number-patients-mental-behavioral-disorders-by-age-and-disorder-type/
MHLW (Japan). (2025). Estimated number of patients per day with mental and behavioral disorders in Japan in October 2023, by age group and illness type (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1270346/japan-number-patients-mental-behavioral-disorders-by-age-and-disorder-type/
MHLW (Japan). "Estimated Number of Patients per Day with Mental and Behavioral Disorders in Japan in October 2023, by Age Group and Illness Type (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Jun 2025, /statistics/1270346/japan-number-patients-mental-behavioral-disorders-by-age-and-disorder-type/
MHLW (Japan), Estimated number of patients per day with mental and behavioral disorders in Japan in October 2023, by age group and illness type (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1270346/japan-number-patients-mental-behavioral-disorders-by-age-and-disorder-type/ (last visited July 30, 2026)
Estimated number of patients per day with mental and behavioral disorders in Japan in October 2023, by age group and illness type (in 1,000s) [Graph], MHLW (Japan), June 30, 2025. [Online]. Available: /statistics/1270346/japan-number-patients-mental-behavioral-disorders-by-age-and-disorder-type/
