Age of the Presidents at Time of Inauguration

Rank by Age
(oldest first)		Chronological
Rank		President Age at Inauguration
146Joe Biden78 years 61 days
245Donald J. Trump70 years 220 days
340Ronald Reagan69 years 348 days
49William Henry Harrison68 years 23 days
515James Buchanan65 years 315 days
641George H. W. Bush64 years 222 days
712Zachary Taylor64 years 100 days
834Dwight D. Eisenhower62 years 98 days
97Andrew Jackson61 years 354 days
102John Adams61 years 125 days
1138Gerald R. Ford61 years 26 days
1233Harry S. Truman60 years 339 days
135James Monroe58 years 310 days
144James Madison57 years 353 days
153Thomas Jefferson57 years 325 days
166John Quincy Adams57 years 236 days
171George Washington57 years 68 days
1817Andrew Johnson56 years 107 days
1928Woodrow Wilson56 years 66 days
2037Richard M. Nixon56 years 11 days
2124Grover Cleveland55 years 351 days
2223Benjamin Harrison55 years 196 days
2329Warren G. Harding55 years 122 days
2436Lyndon B. Johnson55 years 87 days
2531Herbert Hoover54 years 206 days
2643George W. Bush54 years 198 days
2719Rutherford B. Hayes54 years 151 days
288Martin Van Buren54 years 89 days
2925William McKinley54 years 34 days
3039Jimmy Carter52 years 111 days
3116Abraham Lincoln52 years 20 days
3221Chester A. Arthur51 years 349 days
3327William H. Taft51 years 170 days
3432Franklin D. Roosevelt51 years 33 days
3530Calvin Coolidge51 years 29 days
3610John Tyler51 years 6 days
3713Millard Fillmore50 years 183 days
3811James K. Polk49 years 123 days
3920James A. Garfield49 years 105 days
4014Franklin Pierce48 years 101 days
4122Grover Cleveland47 years 351 days
4244Barack Obama47 years 169 days
4318Ulysses S. Grant46 years 311 days
4442Bill Clinton46 years 154 days
4535John F. Kennedy43 years 236 days
4626Theodore Roosevelt42 years 322 days