|
|
Barring special circumstances,
|
|
Incumbent before 2010 election
|
|
|
|
|
Notes, oddities
|
For any reason,
|
Counts
|
State
|
Class
|
Up in
|
Up?
|
Name
|
Party
|
Appointed?
|
Special?
|
Retired?
|
|
Up?
|
D, not up, c1
|
D, not up, c2
|
R, not up, c1
|
R, not up, c2
|
I, not up, c1
|
I, not up, c2
|
D, up, 1
|
D, up, 2
|
D, up, 3
|
R, up, 1
|
R, up, 2
|
R, up, 3
|
|
sum (must be 1)
|
Alabama
|
2
|
2014
|
|
Sessions
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Alabama
|
3
|
2010
|
YES
|
Shelby
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Alaska
|
2
|
2014
|
|
Begich
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Alaska
|
3
|
2010
|
YES
|
Murkowski
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Arizona
|
1
|
2012
|
|
Kyl
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Arizona
|
3
|
2010
|
YES
|
McCain
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Arkansas
|
2
|
2014
|
|
Pryor
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Arkansas
|
3
|
2010
|
YES
|
Lincoln
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
California
|
1
|
2012
|
|
Feinstein
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
California
|
3
|
2010
|
YES
|
Boxer
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Colorado
|
2
|
2014
|
|
Udall, M
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Colorado
|
3
|
2010
|
YES
|
Bennet
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Connecticut
|
1
|
2012
|
|
Lieberman
|
I
|
|
|
|
|
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Connecticut
|
3
|
2010
|
YES
|
Dodd
|
D
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Delaware
|
1
|
2012
|
|
Carper
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Delaware
|
2
|
2014
|
|
Kaufman
|
D
|
YES
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
|
1
|
Florida
|
1
|
2012
|
|
Nelson
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Florida
|
3
|
2010
|
YES
|
LeMieux
|
R
|
YES
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Georgia
|
2
|
2014
|
|
Chambliss
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Georgia
|
3
|
2010
|
YES
|
Isakson
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Hawaii
|
1
|
2012
|
|
Akaka
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Hawaii
|
3
|
2010
|
YES
|
Inouye
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Idaho
|
2
|
2014
|
|
Risch
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Idaho
|
3
|
2010
|
YES
|
Crapo
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Illinois
|
2
|
2014
|
|
Durbin
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Illinois
|
3
|
2010
|
YES
|
Burris
|
D
|
YES
|
|
YES
|
Regular + special for same seat
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Indiana
|
1
|
2012
|
|
Lugar
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Indiana
|
3
|
2010
|
YES
|
Bayh
|
D
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Iowa
|
2
|
2014
|
|
Harkin
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Iowa
|
3
|
2010
|
YES
|
Grassley
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Kansas
|
2
|
2014
|
|
Roberts
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Kansas
|
3
|
2010
|
YES
|
Brownback
|
R
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Kentucky
|
2
|
2014
|
|
McConnell
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Kentucky
|
3
|
2010
|
YES
|
Bunning
|
R
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Louisiana
|
2
|
2014
|
|
Landrieu
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Louisiana
|
3
|
2010
|
YES
|
Vitter
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Maine
|
1
|
2012
|
|
Snowe
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Maine
|
2
|
2014
|
|
Collins
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Maryland
|
1
|
2012
|
|
Cardin
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Maryland
|
3
|
2010
|
YES
|
Mikulski
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Massachusetts
|
1
|
2012
|
|
Brown
|
R
|
|
YES
|
|
Death of Ted Ken., jan10 special elec
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
|
1
|
Massachusetts
|
2
|
2014
|
|
Kerry
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Michigan
|
1
|
2012
|
|
Stabenow
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Michigan
|
2
|
2014
|
|
Levin
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Minnesota
|
1
|
2012
|
|
Klobuchar
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Minnesota
|
2
|
2014
|
|
Franken
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Mississippi
|
1
|
2012
|
|
Wicker
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Mississippi
|
2
|
2014
|
|
Cochran
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Missouri
|
1
|
2012
|
|
McCaskill
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Missouri
|
3
|
2010
|
YES
|
Bond
|
R
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Montana
|
1
|
2012
|
|
Tester
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Montana
|
2
|
2014
|
|
Baucus
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Nebraska
|
1
|
2012
|
|
Nelson
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Nebraska
|
2
|
2014
|
|
Johanns
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Nevada
|
1
|
2012
|
|
Ensign
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Nevada
|
3
|
2010
|
YES
|
Reid
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
New Hampshire
|
2
|
2014
|
|
Shaheen
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
New Hampshire
|
3
|
2010
|
YES
|
Gregg
|
R
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
New Jersey
|
1
|
2012
|
|
Menendez
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
New Jersey
|
2
|
2014
|
|
Lautenberg
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
New Mexico
|
1
|
2012
|
|
Bingamin
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
New Mexico
|
2
|
2014
|
|
Udall, T
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
New York
|
1
|
2012
|
|
Gillibrand
|
D
|
YES
|
YES
|
|
Replaced Clinton
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
|
1
|
New York
|
3
|
2010
|
YES
|
Schumer
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
North Carolina
|
2
|
2014
|
|
Hagan
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
North Carolina
|
3
|
2010
|
YES
|
Burr
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
North Dakota
|
1
|
2012
|
|
Conrad
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
North Dakota
|
3
|
2010
|
YES
|
Dorgan
|
D
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Ohio
|
1
|
2012
|
|
Brown
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Ohio
|
3
|
2010
|
YES
|
Voinovich
|
R
|
|
|
YES
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Oklahoma
|
2
|
2014
|
|
Inhofe
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Oklahoma
|
3
|
2010
|
YES
|
Coburn
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Oregon
|
2
|
2014
|
|
Merkley
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Oregon
|
3
|
2010
|
YES
|
Wyden
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Pennsylvania
|
1
|
2012
|
|
Casey
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Pennsylvania
|
3
|
2010
|
YES
|
Specter
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Rhode Island
|
1
|
2012
|
|
Whitehouse
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Rhode Island
|
2
|
2014
|
|
Reed
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
South Carolina
|
2
|
2014
|
|
Graham
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
South Carolina
|
3
|
2010
|
YES
|
DeMint
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
South Dakota
|
2
|
2014
|
|
Johnson
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
South Dakota
|
3
|
2010
|
YES
|
Thune
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Tennessee
|
1
|
2012
|
|
Corker
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Tennessee
|
2
|
2014
|
|
Alexander
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Texas
|
1
|
2012
|
|
Hutchison
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Texas
|
2
|
2014
|
|
Cornyn
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Utah
|
1
|
2012
|
|
Hatch
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Utah
|
3
|
2010
|
YES
|
Bennett
|
R
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
|
1
|
Vermont
|
1
|
2012
|
|
Sanders
|
I
|
|
|
|
|
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Vermont
|
3
|
2010
|
YES
|
Leahy
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Virginia
|
1
|
2012
|
|
Webb
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Virginia
|
2
|
2014
|
|
Warner
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Washington
|
1
|
2012
|
|
Cantwell
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Washington
|
3
|
2010
|
YES
|
Murray
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
West Virginia
|
1
|
2012
|
|
Goodwin
|
D
|
YES
|
YES
|
YES
|
Death of R. Byrd, Goodwin promised not to run
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
|
1
|
West Virginia
|
2
|
2014
|
|
Rockefeller
|
D
|
|
|
|
|
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Wisconsin
|
1
|
2012
|
|
Kohl
|
D
|
|
|
|
|
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Wisconsin
|
3
|
2010
|
YES
|
Feingold
|
D
|
|
|
|
|
YES
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
|
1
|
Wyoming
|
1
|
2012
|
|
Barrasso
|
R
|
|
|
|
|
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
Wyoming
|
2
|
2014
|
|
Enzi
|
R
|
|
|
|
|
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
1
|
|
TOTAL
|
|
|
34
|
|
|
5
|
3
|
10
|
|
38
|
19
|
19
|
9
|
13
|
2
|
0
|
2
|
1
|
16
|
1
|
0
|
18
|
|
100
|