| Years Served | Party | Home State | Answer | % Correct |
|---|---|---|---|---|
| 2019 - 2021 | Republican | Iowa | Chuck Grassley | 100%
|
| 2025 | Republican | Iowa | Chuck Grassley | 100%
|
| 2012 - 2015 | Democrat | Vermont | Patrick Leahy | 75%
|
| 2021 - 2023 | Democrat | Vermont | Patrick Leahy | 75%
|
| 2023 - 2025 | Democrat | Washington | Patty Murray | 75%
|
| 1981 - 1987 | Republican | South Dakota | Strom Thurmond | 75%
|
| 1995 - 2001 | Republican | South Dakota | Strom Thurmond | 75%
|
| 1879 - 1880 | Democrat | Ohio | Allen G. Thurman | 50%
|
| 2010 - 2012 | Democrat | Hawaii | Daniel Inouye | 50%
|
| 1804 | Democratic Republican | North Carolina | Jesse Franklin | 50%
|
| 1835 | National Republican | Virginia | John Tyler | 50%
|
| 1854 | Democrat | Michigan | Lewis Cass | 50%
|
| 2015 - 2019 | Republican | Utah | Orrin Hatch | 50%
|
| 1792 | Anti-Administration | Virginia | Richard Henry Lee | 50%
|
| 1989 - 1995 | Democrat | West Virginia | Robert Byrd | 50%
|
| 2001 - 2003 | Democrat | West Virginia | Robert Byrd | 50%
|
| 2007 - 2010 | Democrat | West Virginia | Robert Byrd | 50%
|
| 1805 - 1808 | Democratic Republican | Maryland | Samuel Smith | 50%
|
| 1828 - 1831 | Jacksonian | Maryland | Samuel Smith | 50%
|
| 1803 | Democratic Republican | Vermont | Stephen R. Bradley | 50%
|
| 1808 - 1809 | Democratic Republican | Vermont | Stephen R. Bradley | 50%
|
| 2003 - 2007 | Republican | Alaska | Ted Stevens | 50%
|
| 1801 - 1802 | Democratic Republican | Georgia | Abraham Baldwin | 25%
|
| 1919 - 1925 | Republican | Iowa | Albert B. Cummins | 25%
|
| 1971 - 1972 | Democrat | Louisianna | Allen J. Ellender | 25%
|
| 1845 | Democrat | Arkansas | Ambrose H. Sevier | 25%
|
| 1809 | Democratic Republican | Pennsylvania | Andrew Gregg | 25%
|
| 1947 - 1949 | Republican | Michigan | Arthur H. Vandenberg | 25%
|
| 1911 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1912 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1913 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1913 | Democrat | Georgia | Augustus O. Bacon | 25%
|
| 1857 - 1860 | Democrat | Alabama | Benjamin Fitzpatrick | 25%
|
| 1860 | Democrat | Alabama | Benjamin Fitzpatrick | 25%
|
| 1867 - 1869 | Republican | Ohio | Benjamin F. Wade | 25%
|
| 1957 - 1969 | Democrat | Arizona | Carl Hayden | 25%
|
| 1941 - 1945 | Democrat | Virginia | Carter Glass | 25%
|
| 1911 | Republican | Kansas | Charles Curtis | 25%
|
| 1856 | Democrat | Michigan | Charles E. Stuart | 25%
|
| 1891 - 1893 | Republican | Nebraska | Charles F. Manderson | 25%
|
| 1864 - 1865 | Republican | New Hampshire | Daniel Clark | 25%
|
| 1881 - 1883 | Independent | Illinois | David Davis | 25%
|
| 1846 - 1849 | Democrat | Missouri | David R. Atchison | 25%
|
| 1853 - 1854 | Democrat | Missouri | David R. Atchison | 25%
|
| 1912 | Republican | Connecticut | Frank B. Brandegee | 25%
|
| 1883 - 1885 | Republican | Vermont | George F. Edmunds | 25%
|
| 1925 - 1933 | Republican | New Hamshire | George H. Moses | 25%
|
| 1834 | National Republican | Mississippi | George Poindexter | 25%
|
| 1868 - 1873 | Republican | Rhode Island | Henry B. Anthony | 25%
|
| 1875 | Republican | Rhode Island | Henry B. Anthony | 25%
|
| 1912 | Republican | Massachusetts | Henry Cabot Lodge | 25%
|
| 1795 | Anti-Administration, Democratic Republican | Virginia | Henry Tazewell | 25%
|
| 1833 | Jacksonian | Tennessee | Hugh Lawson White | 25%
|
| 1893 - 1895 | Democrat | Tennessee | Isham G. Harris | 25%
|
| 1895 | Democrat | Tennessee | Isham G. Harris | 25%
|
| 1912 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1912 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1912 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1912 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1912 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1912 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1912 - 1913 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1913 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1913 | Republican | New Hampshire | Jacob H. Gallinger | 25%
|
| 1797 | Federalist | South Carolina | Jacob Read | 25%
|
| 1819 | Democratic Republican | Virginia | James Barbour | 25%
|
| 1972 - 1978 | Democrat | Mississippi | James Eastland | 25%
|
| 1801 | Federalist | Connecticut | James Hillhouse | 25%
|
| 1857 | Democrat | Virginia | James M. Mason | 25%
|
| 1913 - 1915 | Democrat | Arkansas | James Paul Clarke | 25%
|
| 1799 | Federalist | Pennsylvania | James Ross | 25%
|
| 1854 - 1856 | Democrat | Indiana | Jesse D. Bright | 25%
|
| 1856 - 1857 | Democrat | Indiana | Jesse D. Bright | 25%
|
| 1860 | Democrat | Indiana | Jesse D. Bright | 25%
|
| 1803 - 1804 | Democratic Republican | Kentucky | John Brown | 25%
|
| 1987 - 1989 | Democrat | Mississippi | John C. Stennis | 25%
|
| 1800 | Federalist | Maryland | John E. Howard | 25%
|
| 1810 | Democratic Republican | South Carolina | John Gaillard | 25%
|
| 1814 - 1819 | Democratic Republican | South Carolina | John Gaillard | 25%
|
| 1819 - 1825 | Democratic Republican | South Carolina | John Gaillard | 25%
|
| 1887 - 1891 | Republican | Kansas | John J. Ingalls | 25%
|
| 1789 | Pro-Administration | New Hampshire | John Langdon | 25%
|
| 1792 - 1793 | Pro-Administration | New Hampshire | John Langdon | 25%
|
| 1798 | Federalist | New York | John Laurance | 25%
|
| 1809 | Democratic Republican | Georgia | John Milledge | 25%
|
| 1811 | Democratic Republican | Kentucky | John Pope | 25%
|
| 1885 - 1887 | Republican | Ohio | John Sherman | 25%
|
| 1805 | Democratic Republican | Tennessee | Joseph Anderson | 25%
|
| 1813 - 1814 | Democratic Republican | South Carolina | Joseph B. Varnum | 25%
|
| 1945 - 1947 | Democrat | Tennessee | Kenneth McKellar | 25%
|
| 1949 - 1953 | Democrat | Tennessee | Kenneth McKellar | 25%
|
| 1933 - 1940 | Democrat | Nevada | Key Pittman | 25%
|
| 1865 - 1867 | Republican | Connecticut | Lafayette S. Foster | 25%
|
| 1832 | Jacksonian | Virginia | Littleton Tazewell | 25%
|
| 1873 - 1875 | Republican | Wisconsin | Matthew H. Carpenter | 25%
|
| 1895 | Democrat | North Carolina | Matt W. Ransom | 25%
|
| 1980 | Republican | North Dakota | Milton Young | 25%
|
| 1826 - 1827 | Democratic Republican | North Carolina | Nathaniel Macon | 25%
|
| 1941 | Democrat | Mississippi | Pat Harrison | 25%
|
| 1794 | Pro-Administration | South Carolina | Ralph Izard | 25%
|
| 1969 - 1971 | Democrat | Georgia | Richard Russell Jr. | 25%
|
| 1796 | Federalist | New Hampshire | Samuel Livermore | 25%
|
| 1799 | Federalist | New Hampshire | Samuel Livermore | 25%
|
| 1841 - 1842 | Whig | New Jersey | Samuel Southard | 25%
|
| 1861 - 1864 | Republican | Vermont | Solomon Foot | 25%
|
| 1953 - 1955 | Republican | New Hampshire | Styles Bridges | 25%
|
| 1798 | Federalist | Massachusetts | Theodore Sedgwick | 25%
|
| 1881 | Democrat | Delaware | Thomas F. Bayard, Sr. | 25%
|
| 1857 | Democrat | Texas | Thomas J. Rusk | 25%
|
| 1875 - 1879 | Republican | Michigan | Thomas W. Ferry | 25%
|
| 1800 | Federalist | Connecticut | Uriah Tracy | 25%
|
| 1955 - 1957 | Democrat | Georgia | Walter F. George | 25%
|
| 1979 - 1980 | Democrat | Washington | Warren Magnuson | 25%
|
| 1980 - 1981 | Democrat | Washington | Warren Magnuson | 25%
|
| 1916 - 1919 | Democrat | Delaware | Willard Saulsbury Jr. | 25%
|
| 1797 | Federalist | Pennsylvania | William Bingham | 25%
|
| 1797 | Federalist | Rhode Island | William Bradford | 25%
|
| 1812 - 1813 | Democratic Republican | Georgia | William H. Crawford | 25%
|
| 1940 - 1941 | Democrat | Utah | William H. King | 25%
|
| 1896 - 1911 | Republican | Maine | William P. Frye | 25%
|
| 1836 - 1841 | Democrat | Alabama | William R. King | 25%
|
| 1850 - 1852 | Democrat | Alabama | William R. King | 25%
|
| 1843 - 1845 | Whig | North Carolina | Willie P. Mangum | 25%
|