Leading Cause of Death and Life Expectancy Among <scp>US</scp> Superagers

The study was conducted without funding; therefore, no funders had a role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication. Dr. Harlan M. Krumholz reported receiving options for Element Science and Identifeye and payments from F-Prime for advisory roles; being a cofounder of and holding equity in Hugo Health, Refactor Health, and Ensight-AI; and being associated with research contracts through Yale University from Janssen, Kenvue, Novartis, and Pfizer. No other disclosures were reported. The data used in this study are publicly available and can be accessed at https://www.cdc.gov/nchs/nhis/ or through the Integrated Public Use Microdata Series Health Surveys website (https://nhis.ipums.org). Code to reproduce the analyses in this study is available at a reasonable request to the corresponding author. Data S1: jgs70232-sup-0001-Supinfo1.pdf. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.