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Home > Reference Home > Statistics & Lists > Class I - Senators Whose Term of Service Expire in 2019 | |
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Class I - Senators Whose Term of Service Expire in 2019
Class I terms run from the beginning of the 113th Congress on January 3, 2013, to the end of the 115th Congress on January 3, 2019. Senators in Class I were elected to office in the November 2012 general election, unless they took their seat through appointment or special election.
| Democrats | Republicans |
| Baldwin, Tammy (D-WI) |
| Brown, Sherrod (D-OH) |
| Cantwell, Maria (D-WA) |
| Cardin, Benjamin L. (D-MD) |
| Carper, Thomas R. (D-DE) |
| Casey, Robert P., Jr. (D-PA) |
| Donnelly, Joe (D-IN) |
| Feinstein, Dianne (D-CA) |
| Gillibrand, Kirsten E. (D-NY) |
| Heinrich, Martin (D-NM) |
| Heitkamp, Heidi (D-ND) |
| Hirono, Mazie K. (D-HI) |
| Kaine, Tim (D-VA) |
| Klobuchar, Amy (D-MN) |
| Manchin, Joe, III (D-WV) |
| McCaskill, Claire (D-MO) |
| Menendez, Robert (D-NJ) |
| Murphy, Christopher (D-CT) |
| Nelson, Bill (D-FL) |
| Stabenow, Debbie (D-MI) |
| Tester, Jon (D-MT) |
| Warren, Elizabeth (D-MA) |
| Whitehouse, Sheldon (D-RI) |
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| Barrasso, John (R-WY) |
| Corker, Bob (R-TN) |
| Cruz, Ted (R-TX) |
| Fischer, Deb (R-NE) |
| Flake, Jeff (R-AZ) |
| Hatch, Orrin G. (R-UT) |
| Heller, Dean (R-NV) |
| Wicker, Roger F. (R-MS) |
Independents |
| King, Angus S., Jr. (I-ME) |
| Sanders, Bernard (I-VT) |
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Article I, section 3 of the U.S. Constitution mandates the Senate's class structure.
Amendment XVII (1913) provides for direct election of Senators.
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