Former President Jimmy Carter is not just the oldest living U.S. president, but also the longest-lived (& living) in the nation's history. As of Jan 13th, 2021, Jimmy Carter is 96 years, 3 months and 14 days. On March 22, 2019, Jimmy Carter surpassed the lifespan of George H. W. Bush, who died at the age of 94 years, 5 months, and 19 days.

The shortest-lived president is the 15th President John F. Kennedy who was assassinated at the age of 46.There are 6 living presidents as of today, January 13, 2021.