Governor's Chairs, Senate and House Seats...
Open (incumbent not running for re-election)
No incumbent running
Uncontested (one candidate running)
Multiple incumbents running
| Incumbent | Party | Office | Reason for not seeking re-election |
| Alabama | |||
| Governor Robert J. Bentley | Republican | Governor | Open Chair. Term Limit |
| Arizona | |||
| Congressman Ann Leila Kirkpatrick | Democratic | House CD 1 | Open Seat. 26 May 2015: Announced her candidacy for the U.S. Senate Class 3 Seat in 2016. |
| California | |||
| Senator Barbara Boxer | Democratic | Senate Class 3 | Open Seat. Open Seat - 8 January 2015: Announced she will not run for re-election. |
| Governor Edmund G. "Jerry" Brown, Jr. | Democratic | Governor | Open Chair. Term Limit |
| Congressman Sam Farr | Democratic | House CD 20 | Open Seat. 12 November 2015: Announced retirement. |
| Congressman Lois G. Capps | Democratic | House CD 24 | Open Seat. 8 April 2015: Announced retirement. |
| Congressman Janice Hahn | Democratic | House CD 44 | Open Seat. 18 February 2015: Running for the Los Angeles County Board of Supervisors in 2016. |
| Congressman Loretta Sanchez | Democratic | House CD 46 | Open Seat. 12 May 2015: Running for the U.S. Senate Class 3 Seat in 2016. |
| Colorado | |||
| Governor John W. Hickenlooper | Democratic | Governor | Open Chair. Term Limit |
| Delaware | |||
| Governor Jack A. Markell | Democratic | Governor | Open Chair. Term Limit |
| Congressman John Charles Carney, Jr. | Democratic | House At-Large | Open Seat. 16 September 2015: Announced he will run for Governor in 2016. |
| Florida | |||
| Senator Marco Rubio | Republican | Senate Class 3 | Open Seat. 13 April 2015: Announced he will run for President in 2016. He will not seek re-election to the U.S. Senate. |
| Governor Richard L. "Rick" Scott | Republican | Governor | Open Chair. Term Limit |
| Congressman Ronald D. "Ron" DeSantis | Republican | House CD 6 | Open Seat. 13 April 2015: Running for the U.S. Senate Class 3 Seat in 2016. |
| Congressman Alan Mark Grayson | Democratic | House CD 9 | Open Seat. 9 July 2015: Announced he is running for the U.S. Senate Class 3 Seat in 2016. |
| Congressman Richard B. "Rich" Nugent | Republican | House CD 11 | Open Seat. 2 November 2015: Announced retirement. |
| Congressman David W. Jolly | Republican | House CD 13 | Open Seat. 20 July 2015: Announced he is running for the Class 3 Senate Seat in 2016. |
| Congressman Patrick Erin Murphy | Democratic | House CD 18 | Open Seat. 23 March 2015: Announced run for the U.S. Senate in 2016. |
| Georgia | |||
| Governor John Nathan "Nathan" Deal | Republican | Governor | Open Chair. Term Limit |
| Illinois | |||
| Congressman L. Tammy Duckworth | Democratic | House CD 8 | Open Seat. 27 March 2015: Running for US Senate Class 3 Seat in 2016. |
| Indiana | |||
| Senator Daniel Ray "Dan" Coats | Republican | Senate Class 3 | Open Seat. 24 March 2015: Announced that he will not run for re-election. |
| Congressman Marlin A. Stutzman | Republican | House CD 3 | Open Seat. 9 May 2015: Declared his candidacy for the U.S. Senate Class 3 seat. |
| Congressman Todd Christopher Young | Republican | House CD 9 | Open Seat. 12 July 2015: Announced his candidacy for the Class 3 U.S. Senate seat. |
| Kentucky | |||
| Governor Steven L. "Steve" Beshear | Democratic | Governor | Open Chair. Term Limit. At Term Limit |
| Congressman Wayne Edward "Ed" Whitfield | Republican | House CD 1 | Open Seat. 29 September 2015: Announced he will not run for re-election. |
| Louisiana | |||
| Senator David B. Vitter | Republican | Senate Class 3 | Open Seat. 21 January 2014: Announced he will run for Governor in 2015. 21 November 2015: Announced retirement after losing Governor's contest. |
| Governor Piyush "Bobby" Jindal | Republican | Governor | Open Chair. Term Limit. At Term Limit |
| Congressman Charles W. Boustany, Jr. | Republican | House CD 3 | Open Seat. 23 November 2015: Candidate for the U.S. Senate Class 3 seat in 2016. |
| Congressman John Calvin Fleming, Jr. | Republican | House CD 4 | Open Seat. 23 November 2015: Candidate for the U.S. Senate Class 3 seat in 2016. |
| Maine | |||
| Governor Paul R. LePage | Republican | Governor | Open Chair. Term Limit |
| Maryland | |||
| Senator Barbara A. Mikulski | Democratic | Senate Class 3 | Open Seat. 2 March 2015: Announced retirement |
| Congressman Donna Fern Edwards | Democratic | House CD 4 | Open Seat. 10 March 2015: Announced candidacy for the U.S. Senate Class 3 seat in 2016. |
| Congressman Christopher "Chris" Van Hollen, Jr. | Democratic | House CD 8 | Open Seat. 4 March 2015: Candidate for Senate Class 3 in 2016. |
| Michigan | |||
| Governor Rick Snyder | Republican | Governor | Open Chair. Term Limit |
| Congressman Daniel J. "Dan" Benishek | Republican | House CD 1 | Open Seat. 15 September 2015: Announced that he would not seek re-election cited his 2010 pledge to only serve 3 terms. |
| Congressman Candice S. Miller | Republican | House CD 10 | Open Seat. 5 March 2015: Announced retirement. |
| Minnesota | |||
| Congressman John Paul Kline, Jr. | Republican | House CD 2 | Open Seat. 3 September 2015: Not seeking re-election. |
| Missouri | |||
| Governor Jeremiah W. "Jay" Nixon | Democratic | Governor | Open Chair. Term Limit. At term limit. |
| Nevada | |||
| Senator Harry Mason Reid | Democratic | Senate Class 3 | Open Seat. 27 March 2015: Will not seek re-election in 2016. |
| Governor Brian E. Sandoval | Republican | Governor | Open Chair. Term Limit |
| Congressman Joseph John "Joe" Heck | Republican | House CD 3 | Open Seat. 6 July 2015: Running for Class 3 Senate Seat in 2016. |
| New Hampshire | |||
| Governor Maggie Hassan | Democratic | Governor | Open Chair. 5 October 2015: Candidate for the U.S. Senate Class 3 Seat in 2016. |
| New Jersey | |||
| Governor Christopher J. "Chris" Christie | Republican | Governor | Open Chair. Term Limit. At term limit |
| New Mexico | |||
| Governor Susana Martinez | Republican | Governor | Open Chair. Term Limit |
| New York | |||
| Congressman Charles B. "Charlie" Rangel | Democratic | House CD 13 | Open Seat. January 2015: Media reports indicate Congressman Rangel will not seek re-election. |
| Congressman Christopher Patrick "Chris" Gibson | Republican | House CD 19 | Open Seat. 6 January 2015: Announced retirement. "I thank the voters ... for this privilege to serve and pledge ... to work tirelessly on their behalf in this final term." Mr. Gibson may run for a statewide office in 2018. |
| North Dakota | |||
| Governor Jack Dalrymple | Republican | Governor | Open Chair. 24 August 2015: Governor Jack Dalrymple announces he will not run for re-election. |
| Ohio | |||
| Governor John Richard Kasich | Republican | Governor | Open Chair. Term Limit |
| Congressman John Andrew Boehner | Republican | House CD 8 | Vacant Office. 25 September 2015: Announced he will resign 30 October. Governor John Richard Kasich (Republican) will call a special primary and election to fill the vacant seat. 30 October 2015: Resigned. |
| Oklahoma | |||
| Governor Mary C. Fallin | Republican | Governor | Open Chair. Term Limit |
| Pennsylvania | |||
| Congressman Michael G. "Mike" Fitzpatrick | Republican | House CD 8 | Open Seat. 6 November 2014: Announced he would retire at the end of his newly elected term-(that is, circa January 2017). |
| Congressman Joseph R. "Joe" Pitts | Republican | House CD 16 | Open Seat. 6 November 2015: Announced retirement. |
| South Carolina | |||
| Governor Nikki Randhawa Haley | Republican | Governor | Open Chair. Term Limit |
| South Dakota | |||
| Governor Dennis M. Daugaard | Republican | Governor | Open Chair. Term Limit |
| Tennessee | |||
| Governor William "Bill" Haslam | Republican | Governor | Open Chair. Term Limit |
| Texas | |||
| Congressman Rubén E. Hinojosa | Democratic | House CD 15 | Open Seat. 13 November 2016: Announced retirement. |
| Congressman Randy Neugebauer | Republican | House CD 19 | Open Seat. 17 September 2015: Announced retirement. |
| Vermont | |||
| Governor Peter Shumlin | Democratic | Governor | Open Chair. 8 June 2015: "I am announcing today that I will not be a candidate for a fourth term in 2016." |
| Virginia | |||
| Governor Terry McAuliffe | Democratic | Governor | Open Chair. Term Limit |
| West Virginia | |||
| Governor Earl Ray Tomblin | Democratic | Governor | Open Chair. Term Limit |
| Wyoming | |||
| Congressman Cynthia Marie Lummis | Republican | House At-Large | Open Seat. 12 November 2016: Announced retirement. |
| Tally | |||||
| Office | Reason for Open Chair or Seat | ||||
| Term Limit | Voluntary | Vacant | Total | ||
| Governor | Republican | 14 | 1 | 0 | 15 |
| Democratic | 7 | 2 | 0 | 9 | |
| Congressman | Democratic | 0 | 13 | 0 | 13 |
| Republican | 0 | 17 | 1 | 18 | |
| Senator | Democratic | 0 | 3 | 0 | 3 |
| Republican | 0 | 3 | 0 | 3 | |
| Totals | 21 | 39 | 1 | 61 | |
Parties appear in parenthesis and italics when a candidate receives the endorsement of a given Party and/or official sources indicate a candidate's association with a particular Party but only where the Party in question does not appear on the actual ballot as such. |
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