| Age at Inauguration | President | % Correct |
|---|---|---|
| 47 | Barack Obama | 97%
|
| 43 | John F. Kennedy | 97%
|
| 46 | Bill Clinton | 93%
|
| 51 | Franklin D. Roosevelt | 92%
|
| 64 | George H. W. Bush | 92%
|
| 42 | Theodore Roosevelt | 92%
|
| 52 | Abraham Lincoln | 91%
|
| 57 | John Quincy Adams | 90%
|
| 57 | Thomas Jefferson | 89%
|
| 52 | Jimmy Carter | 86%
|
| 46 | Ulysses S. Grant | 79%
|
| 51 | Calvin Coolidge | 78%
|
| 47 | Grover Cleveland | 77%
|
| 51 | John Tyler | 74%
|
| 49 | James Garfield | 73%
|
| 54 | Martin Van Buren | 73%
|
| 54 | William McKinley | 73%
|
| 49 | James Polk | 70%
|
| 48 | Franklin Pierce | 67%
|
| 55 | Warren G. Harding | 66%
|
| 50 | Millard Fillmore | 60%
|