| State | Answer | Years Served | % Correct |
|---|---|---|---|
| Massachusetts | Ted Kennedy | 1962-2009 | 72%
|
| Kentucky | Mitch McConnell | 1985- | 71%
|
| California | Dianne Feinstein | 1992-2023 | 68%
|
| Delaware | Joe Biden | 1973-2009 | 68%
|
| South Carolina | Strom Thurmond | 1954-1956/1956-2003 | 66%
|
| New York | Chuck Schumer | 1999- | 60%
|
| Iowa | Chuck Grassley | 1981- | 58%
|
| Virginia | Harry F. Byrd | 1933-1965 | 56%
|
| West Virginia | Robert Byrd | 1959-2010 | 56%
|
| Nevada | Harry Reid | 1987-2017 | 53%
|
| Utah | Orrin Hatch | 1977-2019 | 50%
|
| Vermont | Patrick Leahy | 1975-2023 | 49%
|
| Hawaii | Daniel Inouye | 1963-2012 | 47%
|
| Alaska | Ted Stevens | 1968-2009 | 47%
|
| Alabama | Richard Shelby | 1987-2023 | 44%
|
| North Carolina | Jesse Helms | 1973-2003 | 37%
|
| Oklahoma | Jim Inhofe | 1994-2023 | 35%
|
| Louisiana | Russell Long | 1948-1987 | 34%
|
| Pennsylvania | Arlen Specter | 1981-2011 | 33%
|
| Connecticut | Chris Dodd | 1981-2011 | 33%
|
| Maryland | Barbara Mikulski | 1987-2017 | 32%
|
| Michigan | Carl Levin | 1979-2015 | 31%
|
| Indiana | Richard Lugar | 1977-2013 | 29%
|
| New Mexico | Pete Domenici | 1973-2009 | 27%
|
| New Jersey | Frank Lautenberg | 1982-2001/2003-2013 | 26%
|
| Montana | Max Baucus | 1978-2014 | 25%
|
| Rhode Island | Claiborne Pell | 1961-1997 | 23%
|
| Mississippi | John C. Stennis | 1947-1989 | 23%
|
| Georgia | Richard Russell Jr. | 1933-1971 | 20%
|
| Oregon | Mark Hatfield | 1967-1997 | 19%
|
| Wisconsin | William Proxmire | 1957-1989 | 19%
|
| Arizona | Carl Hayden | 1927-1969 | 18%
|
| North Dakota | Milton Young | 1945-1981 | 18%
|
| Washington | Warren Magnuson | 1944-1981 | 17%
|
| Minnesota | Knute Nelson | 1895-1923 | 16%
|
| Idaho | William Borah | 1907-1940 | 14%
|
| Wyoming | Francis E. Warren | 1890-1893/1895-1929 | 13%
|
| Ohio | John Sherman | 1861-1877/1881-1897 | 13%
|
| Arkansas | John L. McClellan | 1943-1977 | 12%
|
| Nebraska | George Norris | 1913-1943 | 10%
|
| Tennessee | Kenneth McKellar | 1917-1953 | 10%
|
| Colorado | Henry Teller | 1876-1882/1885-1909 | 8%
|
| South Dakota | Karl Mundt | 1948-1973 | 7%
|
| Texas | Morris Sheppard | 1913-1941 | 7%
|
| Kansas | Arthur Capper | 1919-1949 | 6%
|
| Florida | Duncan U. Fletcher | 1909-1936 | 6%
|
| Missouri | Francis Cockrell | 1875-1905 | 5%
|
| Illinois | Shelby M. Cullom | 1883-1913 | 5%
|
| Maine | William P. Frye | 1881-1911 | 5%
|
| New Hampshire | Jacob H. Gallinger | 1891-1918 | 4%
|