Slavery linked to mortality gap between Black and white Americans today

August 20, 2026

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(Science) – New study is among the first to quantify and explain slavery’s influence in contemporary U.S. health disparities

Black people in the U.S. are already well-known to have a lower life expectancy at birth than white people, but the new analysis finds that between 2010 and ’20, they had significantly increased mortality rates in U.S. counties that relied the most on slavery just before the Civil War. Indeed, the gap between Black and white mortality rates during that decade was 20 times greater in those counties compared with ones with no slavery recorded in the 1860 U.S. census. (Read More)