Katsuhisa Kojima

Main subjects

Social Security Theory I, Social Security Theory II, Fundamentals of a Welfare Society (Social Survey), etc.

Research Themes and Keywords

Measures to address the aging population, long-term care systems in East Asia, population aging, regional differences in medical care and long-term care, statistical systems, statistical analysis

Final academic background/degree

Hitotsubashi University Graduate School / Master of Economics

licence · Qualification

Certified Social Researcher

Affiliated academic society

Japan Society for Gerontological Social Science, Japan Society for Social Policy, Japan Society for Social Welfare, Japan Population Association, Japan Society for Applied Regional Studies, Japan Society for Senior Sociology

Major achievements

Thesis
Rin-Sei Wan, Katsuhisa Kojima, "China's Elderly Care System as Seen from the Perspective of the Long-Term Care Insurance Pilot Project," Social Security Research, Vol. 6, No. 4, National Social Security and Population Issues, Research Publishing, pp.454-468 (March 2022)
Katsuhisa Kojima, "Background of Diversity in Care Systems in Japan, China, and Korea and Examination of Future Directions for System Development," Population Issues Research, Vol. 79, No. 4, National Social Security & Population Issues Research, pp.237-255 (2023.12)
Katsuhisa Kojima, "Research on the Simultaneous Determination Model for Care Costs and Family Care for Elderly Residents Requiring Home Care - An Analysis Using the National Livelihood Survey (2016)," Population Issues Research, Vol. 80, No. 1, National Social Security and Population Issues Research, pp.26-45 (March 2024)
Katsuhisa Kojima, "Challenges Facing Social Security in Japan—From the Perspective of a Depopulation Society," Social Security Review, Vol. 8, No. 2, Chinese Society of Social Security, pp.39-55 (2024.4)

Books (including translations)
Masanobu Masuda, Katsuhisa Kojima, Shin Li, 'Easy-to-Understand Social Security Theory', Horitsu Bunka Sha (June 2021)
Katsuhisa Kojima & Yoshihiro Kaneko (trans.), 'The Truth About Widening Inequality: Unraveling the Causes of Polarization' (Original title: OECD "Divided We Stand?")
Katsuhisa Kojima (contributing author), "Chapter 3: Finance of Social Security," in Latest Social Worker Training Course, Psychiatric Social Worker Training Course 7, Social Security, 2nd Edition, (editor), Japan Federation of Social Work Education Schools, Chuo Hoki Publishing, pp.59-85 (Feb. 2025)
Katsuhisa Kojima (contributing author), "Chapter 1: Elderly Lives and Society," Social Welfare Learning Series 2025, Vol. 3: Elderly Welfare Theory (editor), Editorial Committee of Social Welfare Learning Series, National Council of Social Welfare Publishing Department, pp.1-26 (February 2025)

For detailed Research track record, click here

researchmap

extracurricular activities

Councilor of Japan Society for Gerontological Social Sciences

Social contribution activities

Japanese representative of the "International Forum on Social Security"