About The Study: In this repeated cross-sectional study of cross-national mortality, the U.S. had substantially higher death rates than other high-income countries between 1999 and 2022, despite having similar access to advanced medical technology. Many of these excess U.S. deaths could likely be avoided by adopting health and social policies that have benefited other high-income countries. These descriptive findings should be interpreted in light of uncertainty arising from differences in death coding, data completeness, and other aspects of data comparability across countries.
Corresponding Author: To contact the corresponding author, Jacob Bor, PhD, email jbor@bu.edu.
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(doi:10.1001/jamanetworkopen.2026.6147)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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