| Year | Reason | VP to President | % Correct |
|---|---|---|---|
| 1865 | Death; Assassination | Andrew Johnson | 100%
|
| 1989 | Elected; Incumbent | George H.W. Bush | 100%
|
| 1974 | Resignation | Gerald R. Ford | 100%
|
| 1963 | Death; Assassination | Lyndon B. Johnson | 100%
|
| 1968 | Elected; Former | Richard Nixon | 100%
|
| 2021 | Elected; Former | Joe Biden | 97%
|
| 1797 | Elected; Incumbent | John Adams | 97%
|
| 1901 | Death; Assassination | Theodore Roosevelt | 97%
|
| 1923 | Death; Heart Attack | Calvin Coolidge | 92%
|
| 1945 | Death; Stroke | Harry S. Truman | 92%
|
| 1801 | Elected; Incumbent | Thomas Jefferson | 92%
|
| 1841 | Death; Pneumonia | John Tyler | 84%
|
| 1837 | Elected; Incumbent | Martin Van Buren | 84%
|
| 1881 | Death; Assassination | Chester A. Arthur | 76%
|
| 1850 | Death; Gastroenteritis | Millard Fillmore | 76%
|