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2. Ministry of Health, Labour and Welfare. Why reform now? http://www.mhlw.go.jp/english/social_security/kaikaku_1.html. Accessed October 6, 2020.
3. Ministry of Health, Labour and Welfare. Summary of results. http://www.mhlw.go.jp/toukei/saikin/hw/k-iryohi/11/dl/kekka.pdf. Accessed October 6, 2020.
4. OECD.Stat. https://stats.oecd.org/. Accessed October 6, 2020.