| President | Y or O than 55? |
| George Washington | |
| John Adams | |
| Thomas Jefferson | |
| James Madison | |
| James Monroe | |
| John Q. Adams | |
| Andrew Jackson | |
| Martin Van Buren | |
| William H. Harrison | |
| John Tyler | |
| James Polk | |
| Zachary Taylor | |
| Millard Fillmore | |
| Franklin Pierce | |
| James Buchanan | |
| Abraham Lincoln | |
| Andrew Johnson | |
| Ulysses Grant | |
| Rutherford Hayes | |
| James Garfield | |
| | President | Y or O than 55? |
| Chester Arthur | |
| William McKinley | |
| Theordore Roosevelt | |
| William Taft | |
| Woodrow Wilson | |
| Calvin Coolidge | |
| Herbert Hoover | |
| Franklin Roosevelt | |
| Harry Truman | |
| Dwight Eisenhower | |
| John Kennedy | |
| Richard Nixon | |
| Gerald Ford | |
| Jimmy Carter | |
| Ronald Reagan | |
| George H.W. Bush | |
| Bill Clinton | |
| George W. Bush | |
| Barack Obama | |
| George Washington | |
| John Adams | |
| Thomas Jefferson | |
| James Madison | |
| James Monroe | |
| John Q. Adams | |
| Andrew Jackson | |
| Martin Van Buren | |
| William H. Harrison | |
| John Tyler | |
| James Polk | |
| Zachary Taylor | |
| Millard Fillmore | |
| Franklin Pierce | |
| James Buchanan | |
| Abraham Lincoln | |
| Andrew Johnson | |
| Ulysses Grant | |
| Rutherford Hayes | |
| James Garfield | |
| Chester Arthur | |
| William McKinley | |
| Theordore Roosevelt | |
| William Taft | |
| Woodrow Wilson | |
| Calvin Coolidge | |
| Herbert Hoover | |
| Franklin Roosevelt | |
| Harry Truman | |
| Dwight Eisenhower | |
| John Kennedy | |
| Richard Nixon | |
| Gerald Ford | |
| Jimmy Carter | |
| Ronald Reagan | |
| George H.W. Bush | |
| Bill Clinton | |
| George W. Bush | |
| Barack Obama | |
|