Longest Living President Of The United States 2025 List. Donald trump is 78 years old, almost 20 years older than his opponent kamala harris, who is 59. The number of living former u.s.

Born on october 1, 1924, in plains, georgia, carter lived longer than any other u.s. *jimmy carter, the 39th president of the united states, has died at the age of 100.