| Decade | Presidents | % Correct |
|---|---|---|
| 1730s | George Washington | John Adams | 99%
|
| 1740s | Thomas Jefferson | 93%
|
| 1750s | James Madison | James Monroe | 88%
|
| 1760s | John Quincy Adams | Andrew Jackson | 87%
|
| 1800s | Millard Fillmore | Franklin Pierce | Abraham Lincoln | Andrew Johnson | 87%
|
| 1960s | Barack Obama | 80%
|
| 1940s | Bill Clinton | George W. Bush | Donald Trump | Joe Biden | 80%
|
| 1910s | John F. Kennedy | Richard Nixon | Gerald Ford | Ronald Reagan | 79%
|
| 1920s | Jimmy Carter | George H.W. Bush | 77%
|
| 1880s | Franklin D. Roosevelt | Harry S. Truman | 75%
|
| 1850s | Theodore Roosevelt | William Howard Taft | Woodrow Wilson | 75%
|
| 1780s | Martin Van Buren | Zachary Taylor | 74%
|
| 1820s | Ulysses S. Grant | Rutherford B. Hayes | Chester A. Arthur | 72%
|
| 1890s | Dwight D. Eisenhower | 70%
|
| 1790s | John Tyler | James K. Polk | James Buchanan | 70%
|
| 1830s | James A. Garfield | Grover Cleveland | Benjamin Harrison | 68%
|
| 1770s | William Henry Harrison | 67%
|
| 1870s | Calvin Coolidge | Herbert Hoover | 65%
|
| 1900s | Lyndon B. Johnson | 63%
|
| 1840s | William McKinley | 58%
|
| 1860s | Warren G. Harding | 53%
|