1. National Institute of Population and Social Security Research (2023, July 13). Population Projections for Japan, Available online: https://www.ipss.go.jp/pp-zenkoku/j/zenkoku2017/pp29_ReportALL.pdf.
2. Ministry of Health, Labour and Welfare (2023, July 13). Handbook of Health and Welfare Statistics. Population and Households, Available online: https://www.mhlw.go.jp/english/database/db-hh/1-2.html.
3. Japan as the front-runner of super-aged societies: Perspectives from medicine and medical care in Japan;Arai;Geriatr. Gerontol. Int.,2015
4. Ministry of Health, Labour and Welfare (2023, July 13). Future Projections of Dementia, Available online: https://www.mhlw.go.jp/content/001061139.pdf.
5. Historical changes in home care service and its future challenges;Miura;Jpn. Med. Assoc. J.,2015