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Social Security Reforms and Inequality in Japan

Author

Listed:
  • Takashi Oshio
  • Satoshi Shimizutani
  • Akiko S. Oishi

Abstract

We examined the heterogeneous impacts of social security reforms in Japan over the past 40 years. We utilize a nationwide large-scale micro-dataset to compute individual-level social security wealth (SSW) and mortality rates by lifetime earning groups. We found that SSW declined for all groups after the social security reforms, which aimed to reduce generosity; however, the size of the negative impact was larger for richer individuals. These results indicate that a series of recent social security reforms have reduced inequality in SSW.

Suggested Citation

  • Takashi Oshio & Satoshi Shimizutani & Akiko S. Oishi, 2025. "Social Security Reforms and Inequality in Japan," NBER Working Papers 34574, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:34574
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    JEL classification:

    • H30 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - General
    • I31 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - General Welfare, Well-Being
    • J14 - Labor and Demographic Economics - - Demographic Economics - - - Economics of the Elderly; Economics of the Handicapped; Non-Labor Market Discrimination

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