In fiscal year 2022, outpatient treatment costs accounted for the largest portion of the medical expenses of the Japan Health Insurance Association, amounting to approximately *** trillion Japanese yen. Hospitalization costs accounted for the second largest, totaling approximately *** trillion yen.
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Japan Health Insurance Association. (February 12, 2025). Medical expense of the Japan Health Insurance Association in fiscal year 2022, by type (in billion Japanese yen) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1450420/japan-medical-expense-of-the-japan-health-insurance-association-by-type/
Japan Health Insurance Association. "Medical expense of the Japan Health Insurance Association in fiscal year 2022, by type (in billion Japanese yen)." Chart. February 12, 2025. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1450420/japan-medical-expense-of-the-japan-health-insurance-association-by-type/
Japan Health Insurance Association. (2025). Medical expense of the Japan Health Insurance Association in fiscal year 2022, by type (in billion Japanese yen). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1450420/japan-medical-expense-of-the-japan-health-insurance-association-by-type/
Japan Health Insurance Association. "Medical Expense of The Japan Health Insurance Association in Fiscal Year 2022, by Type (in Billion Japanese Yen)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 Feb 2025, /statistics/1450420/japan-medical-expense-of-the-japan-health-insurance-association-by-type/
Japan Health Insurance Association, Medical expense of the Japan Health Insurance Association in fiscal year 2022, by type (in billion Japanese yen) ÌÇÐÄÆƽâ°æ, /statistics/1450420/japan-medical-expense-of-the-japan-health-insurance-association-by-type/ (last visited August 04, 2026)
Medical expense of the Japan Health Insurance Association in fiscal year 2022, by type (in billion Japanese yen) [Graph], Japan Health Insurance Association, February 12, 2025. [Online]. Available: /statistics/1450420/japan-medical-expense-of-the-japan-health-insurance-association-by-type/
