Age of the Presidents at Time of Inauguration
Rank by Age
(oldest first) Chronological
Rank President Age at Inauguration
1. 47 Donald J. Trump 78 years 220 days
2. 46 Joe Biden 78 years 61 days
3. 45 Donald J. Trump 70 years 220 days
4. 40 Ronald Reagan 69 years 348 days
5. 9 William Henry Harrison 68 years 23 days
6. 15 James Buchanan 65 years 315 days
7. 41 George H. W. Bush 64 years 222 days
8. 12 Zachary Taylor 64 years 100 days
9. 34 Dwight D. Eisenhower 62 years 98 days
10. 7 Andrew Jackson 61 years 354 days
11. 2 John Adams 61 years 125 days
12. 38 Gerald R. Ford 61 years 26 days
13. 33 Harry S. Truman 60 years 339 days
14. 5 James Monroe 58 years 310 days
15. 4 James Madison 57 years 353 days
16. 3 Thomas Jefferson 57 years 325 days
17. 6 John Quincy Adams 57 years 236 days
18. 1 George Washington 57 years 68 days
19. 17 Andrew Johnson 56 years 107 days
20. 28 Woodrow Wilson 56 years 66 days
21. 37 Richard M. Nixon 56 years 11 days
22. 24 Grover Cleveland 55 years 351 days
23. 23 Benjamin Harrison 55 years 196 days
24. 29 Warren G. Harding 55 years 122 days
25. 36 Lyndon B. Johnson 55 years 87 days
26. 31 Herbert Hoover 54 years 206 days
27. 43 George W. Bush 54 years 198 days
28. 19 Rutherford B. Hayes 54 years 151 days
29. 8 Martin Van Buren 54 years 89 days
30. 25 William McKinley 54 years 34 days
31. 39 Jimmy Carter 52 years 111 days
32. 16 Abraham Lincoln 52 years 20 days
33. 21 Chester A. Arthur 51 years 349 days
34. 27 William H. Taft 51 years 170 days
35. 32 Franklin D. Roosevelt 51 years 33 days
36. 30 Calvin Coolidge 51 years 29 days
37. 10 John Tyler 51 years 6 days
38. 13 Millard Fillmore 50 years 183 days
39. 11 James K. Polk 49 years 123 days
40. 20 James A. Garfield 49 years 105 days
41. 14 Franklin Pierce 48 years 101 days
42. 22 Grover Cleveland 47 years 351 days
43. 44 Barack Obama 47 years 169 days
44. 18 Ulysses S. Grant 46 years 311 days
45. 42 Bill Clinton 46 years 154 days
46. 35 John F. Kennedy 43 years 236 days
47. 26 Theodore Roosevelt 42 years 322 days