| Lifespan | Oldest | President | % Correct |
|---|---|---|---|
| 1732-1799 | 1789-1799 | George Washington | 94%
|
| 1942– | 2024– | Joe Biden | 94%
|
| 1924-2018 | 2006-2018 | George H. W. Bush | 91%
|
| 1735-1826 | 1799-1826 | John Adams | 91%
|
| 1767-1848 | 1845-1848 | John Quincy Adams | 91%
|
| 1924-2024 | 2018-2024 | Jimmy Carter | 88%
|
| 1913-1994 | 1973-1981 | Richard M. Nixon | 85%
|
| 1911-2004 | 1981-2004 | Ronald Reagan | 85%
|
| 1767-1845 | 1836-1845 | Andrew Jackson | 79%
|
| 1808-1875 | 1874-1875 | Andrew Johnson | 79%
|
| 1884-1972 | 1964-1972 | Harry S. Truman | 79%
|
| 1908-1973 | 1972-1973 | Lyndon B. Johnson | 79%
|
| 1858-1919 | 1908-1909 | Theodore Roosevelt | 79%
|
| 1856-1924 | 1913-1924 | Woodrow Wilson | 76%
|
| 1913-2006 | 2004-2006 | Gerald R. Ford | 73%
|
| 1874-1964 | 1933-1964 | Herbert Hoover | 73%
|
| 1751-1836 | 1826-1836 | James Madison | 73%
|
| 1872-1933 | 1930-1933 | Calvin Coolidge | 70%
|
| 1837-1908 | 1901-1908 | Grover Cleveland | 70%
|
| 1791-1868 | 1862-1868 | James Buchanan | 70%
|
| 1782-1862 | 1848-1862 | Martin van Buren | 67%
|
| 1800-1874 | 1868-1874 | Millard Fillmore | 67%
|
| 1857-1930 | 1909-1913 | William Howard Taft | 67%
|
| 1857-1930 | 1924-1930 | William Howard Taft | 67%
|
| 1833-1901 | 1893-1901 | Benjamin Harrison | 61%
|
| 1822-1885 | 1875-1885 | Ulysses S. Grant | 61%
|
| 1822-1893 | 1885-1893 | Rutherford B. Hayes | 55%
|