Socioeconomic Disparities Do Not Explain the U.S. International Disadvantage in Mortality

Magali Barbieri

The Journals of Gerontology: Series B, 2022, vol. 77, issue Supplement_2, S158-S166

Abstract: ObjectivesThe articles examines the contribution of internal socioeconomic disparities in mortality to the U.S. international disadvantage in life expectancy at birth.MethodsUsing individual death records from the U.S. national vital statistics system for years 1982–2019 and data for other countries from the Human Mortality Database, we compare age-specific death rates and life expectancy between counties classified into 10 socioeconomic categories and 20 high-income countries. We also calculate the number of years of life lost in each socioeconomic decile in relation to the comparison set.ResultsThere is a clear and increasing socioeconomic gradient of mortality in the United States, but the growing divergence in internal mortality trends does not explain the rising gap between the country and its peers. In 2019, even American women in the most socioeconomically advantaged decile lived shorter lives, while only 10% of men in the most affluent decile fared better than their peers. The long-standing U.S. disadvantage in young adult mortality has been growing and the country’s previous advantage in mortality at ages 75 years and older has virtually disappeared for all but for Americans in the most affluent counties.DiscussionThe similar age pattern of differences in mortality rates between each socioeconomic deciles and the comparison group suggests that the underlying factors might be the same. The role of external causes (including drug overdoses) for middle-aged adults and a slowing down in progress to control cardiovascular diseases at older ages at the national level are consistent with this pattern.

Keywords: Demography; Health disparities; International comparison; Life expectancy; Socioeconomic status (search for similar items in EconPapers)
Date: 2022
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