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Class III - Senators Whose Terms of Service Expire in 2017

Class III terms run from the beginning of the 112th Congress on January 3, 2011, to the end of the 114th Congress on January 3, 2017. Senators in Class III were elected to office in the November 2010 general election, unless they took their seat through appointment or special election.

DemocratsRepublicans
Bennet, Michael F. (D-CO)
Blumenthal, Richard (D-CT)
Boxer, Barbara (D-CA)
Leahy, Patrick J. (D-VT)
Mikulski, Barbara A. (D-MD)
Murray, Patty (D-WA)
Reid, Harry (D-NV)
Schatz, Brian (D-HI)
Schumer, Charles E. (D-NY)
Wyden, Ron (D-OR)
Ayotte, Kelly (R-NH)
Blunt, Roy (R-MO)
Boozman, John (R-AR)
Burr, Richard (R-NC)
Coats, Daniel (R-IN)
Coburn, Tom (R-OK)
Crapo, Mike (R-ID)
Grassley, Chuck (R-IA)
Hoeven, John (R-ND)
Isakson, Johnny (R-GA)
Johnson, Ron (R-WI)
Kirk, Mark (R-IL)
Lee, Mike (R-UT)
McCain, John (R-AZ)
Moran, Jerry (R-KS)
Murkowski, Lisa (R-AK)
Paul, Rand (R-KY)
Portman, Rob (R-OH)
Rubio, Marco (R-FL)
Scott, Tim (R-SC)
Shelby, Richard C. (R-AL)
Thune, John (R-SD)
Toomey, Patrick J. (R-PA)
Vitter, David (R-LA)

Article I, section 3 of the U.S. Constitution mandates the Senate's class structure.

Amendment XVII (1913) provides for direct election of Senators.

 
  

Class I

Senators in Class I were elected to office in the November 2012 general election. Their terms run from the beginning of the 113th Congress on January 3, 2013 to the end of the 115th Congress on January 3, 2019.


Class II

Senators in Class II were elected to office in the November 2008 general election, unless they took their seat through appointment or special election. Their terms run from the beginning of the 111th Congress on January 3, 2009 to the end of the 113th Congress on January 3, 2015.


Lists of Senators by State

All senators from each state and other facts about a state's history in the U.S. Senate.