Jimmy Carter lived the longest of any U.S. president, reaching 100 years and 89 days old. He is widely cited as the longest-lived president in U.S. history.

Quick Scoop

  • Longest-lived president: Jimmy Carter.
  • Age at death: 100 years, 89 days.
  • Close runner-up: George H. W. Bush, who lived to 94 years, 171 days.

If you want, I can also give you the top 10 longest-lived presidents in a simple list or HTML table.