1. Statistics Bureau of Japan (2022, August 17). Population Census. (In Japanese).
2. Cabinet Office (2022, August 17). Annual Report on the Aging Society. (In Japanese).
3. Committee to Study the Use of Medical and Nursing Care Information to Promote Reform (2022, August 17). Outline of the First Report of the Expert Committee on Promoting Reform through the Use of Medical and Nursing Care Information. (In Japanese).
4. Ministry of Health, Labour and Welfare (2022, May 22). Basic Policy for the Comprehensive Promotion of the Health of the People. (In Japanese).
5. Ministry of Health, Labour and Welfare (2022, May 02). Comprehensive Survey of Living Conditions. (In Japanese).