Oldest US Presidents to hold office
David Baratz
April 25, 2023Updated May 20, 2025, 2:02 p.m. ET
Donald Trump
Trump takes the oath of office from Chief Justice John Roberts during inauguration ceremonies on January 20, 2025 in Washington, DC. At 78 years and 7 months old Donald Trump became the oldest American to take the oath office for his second term as the 47th president of the United States.
Chip Somodevilla, Getty ImagesTrump takes the oath of office from Chief Justice John Roberts during inauguration ceremonies on January 20, 2025 in Washington, DC. At 78 years and 7 months old Donald Trump became the oldest American to take the oath office for his second term as the 47th president of the United States.
Joe Biden
President Joe Biden was 78 years old in 2021 when he was sworn in to office.
SAUL LOEB, AFP Via Getty ImagesPresident Joe Biden was 78 years old in 2021 when he was sworn in to office.
Ronald Reagan
Reagan was 74 at the end of his second term in 1991.
Hulton Archive, Getty ImagesReagan was 74 at the end of his second term in 1991.
Willam Henry Harrison
In 1841, William Henry Harrison became the ninth President of the United States at age 68. He died after a little more than 30 days in office holding the shortest term as a U.S. Presidential.
Albert Gallatin Hoit, National Portrait Gallery/SmithsonianIn 1841, William Henry Harrison became the ninth President of the United States at age 68. He died after a little more than 30 days in office holding the shortest term as a U.S. Presidential.
James Buchanan
James Buchanan became the 15th President of the United States at age 65 in 1857.
George Peter Alexander Healy, National Portrait Gallery/SmithsonianJames Buchanan became the 15th President of the United States at age 65 in 1857.
George H.W. Bush
George H.W. Bush became the 41st President of the United States at age 64, after serving as Vice President under Ronald Reagan.
Jerome Delay, AFP Via Getty ImagesGeorge H.W. Bush became the 41st President of the United States at age 64, after serving as Vice President under Ronald Reagan.
Zachary Taylor
Zachary Taylor became the 12th U.S. President at 64.
William Garl Browne Jr., National Portrait Gallery/SmithsonianZachary Taylor became the 12th U.S. President at 64.
Dwight D. EisenhowerEisenhower was 62 when he became President ni 1953.
Keystone, Getty Images
Andrew Jackson
Jackson was 61 ewhen he bacame the 7th President of the United States.
Library Of CongressJackson was 61 ewhen he bacame the 7th President of the United States.
John Adams
Adams was 61 when he became the 2nd U.S. President.
Nicholas Eustache Maurin, National Portrait Gallery/SmithsonianAdams was 61 when he became the 2nd U.S. President.
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