Rising Inequality in Life Expectancy by Socioeconomic Status

Geoffrey Sanzenbacher, Anthony Webb, Candace M. Cosgrove and Natalia Orlova

North American Actuarial Journal, 2021, vol. 25, issue S1, S566-S581

Abstract: Inequality in life expectancy is growing in the United States, but evidence is mixed regarding how much it has grown. Some studies have found that life expectancies have decreased for those with the lowest socioeconomic status (SES). Other studies have found that while inequality is rising, there have been life expectancy gains across the board. A primary difference in these studies is how SES is measured. Some studies use an absolute measure, such as years of school completed, while others use relative measures, such as a person’s ranking of years of school completed compared to others born at the same time. This study uses regression analysis to assign people a relative education ranking and, in doing so, attempts to isolate the changing relationship between SES and mortality from the fact that certain education-based groups, especially high school dropouts, actually have a lower SES level today than in the past. The study finds that when SES is defined in this way—relatively—inequality in mortality by SES is increasing but life expectancies have also increased across SES groups. The study also finds that white women in the bottom of the education distribution have experienced the least improvement of any group and that rectangularization of the mortality distribution has occurred much more in the top of the income distribution than at the bottom.

Date: 2021
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Working Paper: Rising Inequality in Life Expectancy by Socioeconomic Status (2017)
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DOI: 10.1080/10920277.2019.1676788

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