The oldest person ever elected president of the United States is Donald Trump, who won the 2024 election at age 78, reclaiming the presidency for a second, nonconsecutive term.

Quick Scoop: Oldest President Elected

For the question “who was the oldest president elected,” the key record is about age at the time of election and inauguration.

  • Donald Trump was 78 years old when he was elected again in 2024 and sworn in for his second term in January 2025.
  • This makes him the oldest person ever elected to the U.S. presidency, surpassing Joe Biden’s previous age record at his 2021 inauguration.
  • Biden, at 78 years and about 2 months when he took office in January 2021, briefly held the record as the oldest president at inauguration.

So in terms of “who was the oldest president elected” as of now, the record holder is Donald Trump, with Joe Biden as the prior record-holder.

Information gathered from public data and news coverage of recent U.S. elections and presidential inaugurations.