Social Security and Trends in Wealth Inequality

Sylvain Catherine, Max Miller and Natasha Sarin

Journal of Finance, 2025, vol. 80, issue 3, 1497-1531

Abstract: Recent influential work finds large increases in inequality in the United States based on measures of wealth concentration that notably exclude the value of social insurance programs. This paper shows that top wealth shares have not changed much over the last three decades when Social Security is properly accounted for. This is because Social Security wealth increased substantially from $7.2 trillion in 1989 to $40.6 trillion in 2019 and now represents nearly 50% of the wealth of the bottom 90% of the wealth distribution. This finding is robust to potential changes to taxes and benefits in response to system financing concerns.

Date: 2025
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https://doi.org/10.1111/jofi.13440

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Persistent link: https://EconPapers.repec.org/RePEc:bla:jfinan:v:80:y:2025:i:3:p:1497-1531

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