| Age | President | % Correct |
|---|---|---|
| 46 | John F Kennedy | 99%
|
| 56 | Abraham Lincoln | 86%
|
| 49 | James A Garfield | 72%
|
| 58 | William McKinley | 71%
|
| 64 | Lyndon B Johnson | 66%
|
| 57 | Warren G Harding | 63%
|
| 53 | James K Polk | 60%
|
| 60 | Calvin Coolidge | 58%
|
| 64 | Franklin Pierce | 57%
|
| 63 | Ulysses S Grant | 56%
|
| 57 | Chester A Arthur | 52%
|
| 63 | Franklin D Roosevelt | 30%
|
| 60 | Theodore Roosevelt | 25%
|