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34 of the 100 seats in the United States Senate 51[a] seats needed for a majority | |||||||||||||||||||||||||||||||||||||||||
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Map of the incumbents: Democratic incumbent running Democratic incumbent retiring Republican incumbent running Republican incumbent retiring Independent incumbent running Independent incumbent retiring No election Rectangular inset (Nebraska): both seats up for election | |||||||||||||||||||||||||||||||||||||||||
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The 2024 United States Senate elections are scheduled to be held on November 5, 2024, as part of the 2024 United States elections. 33 out of the 100 seats in the U.S. Senate will be contested in regular elections.[3][4] Senators are divided into 3 classes whose 6-year terms are staggered so that a different class is elected every 2 years.[5] Class 1 senators will face election in 2024.[6]
As of October 2024, 26 senators (15 Democrats, 9 Republicans, and 2 independents) are seeking re-election in 2024.[7] 2 Republicans (Mike Braun of Indiana and Mitt Romney of Utah), 3 Democrats (Ben Cardin of Maryland, Tom Carper of Delaware, Debbie Stabenow of Michigan), and 2 independents (Kyrsten Sinema of Arizona and Joe Manchin of West Virginia) are not seeking reelection.[8][9][10][11][12][13][14] Laphonza Butler of California and George Helmy of New Jersey, Democrats who were appointed to their current seats in 2023 and 2024 respectively, are not seeking election in 2024.[15][16]
2 special Senate elections will take place concurrently with the 2024 regular Senate elections: one in California, to fill the final two months of Dianne Feinstein's term following her death in September 2023, and one in Nebraska, to fill the remaining 2 years of Ben Sasse's term following his resignation in January 2023.[17][13][18]
All 33 Class 1 Senate seats, and one Class 2 seat are up for election in 2024; Class 1 currently consists of 20 Democrats, 4 independents who caucus with the Senate Democrats[d], and 10 Republicans.
Election analysts consider the map for these Senate elections to be highly unfavorable to Democrats. Democrats will be defending 23 of the 33 Class 1 seats.[21] Three seats being defended by Democrats are in states won by Republican Donald Trump in both 2016 and 2020, while there are no seats in this class held by Republicans in states won by Democrat Joe Biden in 2020. In the previous Senate election cycle that coincided with a presidential election (2020), only one senator (Susan Collins of Maine) was elected in a state that was simultaneously won by the presidential nominee of the opposite party.[22]
Each block represents one of the 100 seats in the U.S. Senate. "D#" is a Democratic/active senator, "I#" is an Independent senator, and "R#" is a Republican/active senator. They are arranged so that the parties are separated, and a majority is clear by crossing the middle.
Each block indicates an incumbent senator's actions going into the election.
D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | D9 | D10 |
D20 | D19 | D18 | D17 | D16 | D15 | D14 | D13 | D12 | D11 |
D21 | D22 | D23 | D24 | D25 | D26 | D27 | D28 | D29 Calif. Retiring |
D30 Conn. Running |
D40 N.M. Running |
D39 N.J. Retiring |
D38 Nev. Running |
D37 Mont. Running |
D36 Minn. Running |
D35 Mich. Retiring |
D34 Mass. Running |
D33 Md. Retiring |
D32 Hawaii Running |
D31 Del. Retiring |
D41 N.Y. Running |
D42 Ohio Running |
D43 Pa. Running |
D44 R.I. Running |
D45 Va. Running |
D46 Wash. Running |
D47 Wis. Running |
I1 Ariz. Retiring |
I2 Maine Running |
I3 Vt. Running |
Majority (with Independents) ↑ | |||||||||
R41 Miss. Running |
R42 Mo. Running |
R43 Neb. (reg) Running |
R44 Neb. (sp) Running |
R45 N.D. Running |
R46 Tenn. Running |
R47 Texas Running |
R48 Utah Retiring |
R49 Wyo. Running |
I4 W.Va. Retiring |
R40 Ind. Retiring |
R39 Fla. Running |
R38 | R37 | R36 | R35 | R34 | R33 | R32 | R31 |
R21 | R22 | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 |
R20 | R19 | R18 | R17 | R16 | R15 | R14 | R13 | R12 | R11 |
R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 |
D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | D9 | D10 |
D20 | D19 | D18 | D17 | D16 | D15 | D14 | D13 | D12 | D11 |
D21 | D22 | D23 | D24 | D25 | D26 | D27 | D28 | Ariz. TBD |
Calif. TBD |
Minn. TBD |
Mich. TBD |
Mass. TBD |
Md. TBD |
Maine TBD |
Ind. TBD |
Hawaii TBD |
Fla. TBD |
Del. TBD |
Conn. TBD |
Mont. TBD |
Miss. TBD |
Mo. TBD |
N.D. TBD |
Neb. (reg) TBD |
Neb. (sp) TBD |
Nev. TBD |
N.J. TBD |
N.M. TBD |
N.Y. TBD |
Majority TBD → | |||||||||
W.Va. TBD |
Wash. TBD |
Va. TBD |
Vt. TBD |
Utah TBD |
Texas TBD |
Tenn. TBD |
R.I. TBD |
Pa. TBD |
Ohio TBD |
Wis. TBD |
Wyo. TBD |
R38 | R37 | R36 | R35 | R34 | R33 | R32 | R31 |
R21 | R22 | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 |
R20 | R19 | R18 | R17 | R16 | R15 | R14 | R13 | R12 | R11 |
R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 |
Key |
|
---|
Several sites and individuals published predictions of competitive seats. These predictions looked at factors such as the strength of the incumbent (if the incumbent was running for reelection) and the other candidates, and the state's partisan lean (reflected in part by the state's Cook Partisan Voting Index rating). The predictions assigned ratings to each seat, indicating the predicted advantage that a party had in winning that seat. Most election predictors used:
Constituency | Incumbent | Ratings | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
State | PVI[23] | Senator | Last election[e] |
Cook Oct. 1, 2024[24] |
IE Sep. 26, 2024[25] |
Sabato Sep. 25, 2024[26] |
RCP Oct. 3, 2024[27] |
CNalysis Oct. 1, 2024[28] |
DDHQ/The Hill Oct. 3, 2024[29] |
Fox Aug. 12, 2024[30] |
Race to the WH Oct. 4, 2024[31] | |||
Arizona | R+2 | Kyrsten Sinema (retiring) |
50.0% D[f] | Lean D (flip) | Tilt D (flip) | Lean D (flip) | Lean D (flip) | Lean D (flip) | Likely D (flip) | Lean D (flip) | Likely D (flip) | |||
California[g] | D+13 | Laphonza Butler (retiring) |
Appointed (2023)[h] |
Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Connecticut | D+7 | Chris Murphy | 59.5% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Delaware | D+7 | Tom Carper (retiring) |
60.0% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Florida | R+3 | Rick Scott | 50.1% R | Likely R | Likely R | Likely R | Tossup | Likely R | Lean R | Likely R | Tilt R | |||
Hawaii | D+14 | Mazie Hirono | 71.2% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Indiana | R+11 | Mike Braun (retiring) |
50.7% R | Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Likely R | |||
Maine | D+2 | Angus King | 54.3% I | Solid I | Solid I | Safe I | Solid I | Solid I | Likely I | Solid I | Safe D [i] | |||
Maryland | D+14 | Ben Cardin (retiring) |
64.9% D | Likely D | Likely D | Likely D | Lean D | Solid D | Safe D | Lean D | Likely D | |||
Massachusetts | D+15 | Elizabeth Warren | 60.3% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Michigan | R+1 | Debbie Stabenow (retiring) |
52.3% D | Tossup | Tilt D | Lean D | Tossup | Lean D | Lean D | Lean D | Lean D | |||
Minnesota | D+1 | Amy Klobuchar | 60.3% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Mississippi | R+11 | Roger Wicker | 58.5% R | Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Safe R | |||
Missouri | R+10 | Josh Hawley | 51.4% R | Solid R | Solid R | Safe R | Likely R | Solid R | Likely R | Solid R | Safe R | |||
Montana | R+11 | Jon Tester | 50.3% D | Lean R (flip) | Tilt R (flip) | Lean R (flip) | Lean R (flip) | Lean R (flip) | Lean R (flip) | Lean R (flip) | Tossup | |||
Nebraska (regular) |
R+13 | Deb Fischer | 57.7% R | Likely R | Likely R | Likely R | Solid R | Very Likely R | Likely R | Likely R | Tilt R | |||
Nebraska (special) |
R+13 | Pete Ricketts | Appointed (2023)[j] |
Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Safe R | |||
Nevada | R+1 | Jacky Rosen | 50.4% D | Lean D | Tilt D | Lean D | Lean D | Lean D | Lean D | Tossup | Likely D | |||
New Jersey | D+6 | George Helmy (retiring) |
Appointed (2024)[k] |
Solid D | Solid D | Safe D | Likely D | Solid D | Likely D | Solid D | Safe D | |||
New Mexico | D+3 | Martin Heinrich | 54.1% D | Solid D | Solid D | Safe D | Lean D | Solid D | Likely D | Likely D | Safe D | |||
New York | D+10 | Kirsten Gillibrand | 67.0% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
North Dakota | R+20 | Kevin Cramer | 55.1% R | Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Likely R | |||
Ohio | R+6 | Sherrod Brown | 53.4% D | Tossup | Tossup | Tossup | Tossup | Tossup | Tossup | Tossup | Tilt D | |||
Pennsylvania | R+2 | Bob Casey Jr. | 55.7% D | Lean D | Tilt D | Lean D | Tossup | Lean D | Lean D | Lean D | Lean D | |||
Rhode Island | D+8 | Sheldon Whitehouse | 61.4% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
Tennessee | R+14 | Marsha Blackburn | 54.7% R | Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Safe R | |||
Texas | R+5 | Ted Cruz | 50.9% R | Lean R | Lean R | Likely R | Lean R | Lean R | Lean R | Likely R | Tilt R | |||
Utah | R+13 | Mitt Romney (retiring) |
62.6% R | Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Safe R | |||
Vermont | D+16 | Bernie Sanders | 67.4% I | Solid I | Solid I | Safe I | Solid I | Solid I | Safe I | Solid I | Safe D [i] | |||
Virginia | D+3 | Tim Kaine | 57.0% D | Solid D | Solid D | Safe D | Likely D | Solid D | Likely D | Solid D | Safe D | |||
Washington | D+8 | Maria Cantwell | 58.3% D | Solid D | Solid D | Safe D | Solid D | Solid D | Safe D | Solid D | Safe D | |||
West Virginia | R+22 | Joe Manchin (retiring) |
49.6% D[l] | Solid R (flip) | Solid R (flip) | Safe R (flip) | Solid R (flip) | Solid R (flip) | Safe R (flip) | Solid R (flip) | Safe R (flip) | |||
Wisconsin | R+2 | Tammy Baldwin | 55.4% D | Lean D | Tilt D | Lean D | Tossup | Lean D | Lean D | Lean D | Lean D | |||
Wyoming | R+25 | John Barrasso | 67.0% R | Solid R | Solid R | Safe R | Solid R | Solid R | Safe R | Solid R | Safe R | |||
Overall[m] | D/I - 47 R - 51 2 tossups |
D/I - 48 R - 51 1 tossup |
D/I - 48 R - 51 1 tossup |
D/I - 45 R - 50 5 tossups |
D/I - 48 R - 51 1 tossup |
D/I - 48 R - 51 1 tossups |
D/I - 47 R - 51 2 tossups |
D/I - 49 R - 50 1 tossups |
As of October 2024, nine senators have announced plans to retire. Senator Dianne Feinstein had previously announced her intent to retire at the end of her term, but she died in office on September 29, 2023.
In each special election, the winner's term begins immediately after their election is certified by their state's government.
Elections are sorted by date then state.
State (linked to summaries below) |
Incumbent | Status | Candidates | ||
---|---|---|---|---|---|
Senator | Party | Electoral history | |||
California (Class 1) |
Laphonza Butler | Democratic | 2023 (appointed) | Interim appointee retiring.[15] |
|
Nebraska (Class 2) |
Pete Ricketts | Republican | 2023 (appointed) | Interim appointee nominated. |
|
In these general elections, the winners will be elected for the term beginning January 3, 2025.
State (linked to summaries below) |
Incumbent | Candidates | ||||
---|---|---|---|---|---|---|
Senator | Party | Electoral history | Last race | Result | ||
Arizona | Kyrsten Sinema | Independent | 2018[f] | 50.0% D | Incumbent retiring.[14] |
|
California | Laphonza Butler | Democratic | 2023 (appointed) | 54.2% D[h] | Interim appointee retiring.[15] |
|
Connecticut | Chris Murphy | Democratic | 2012 2018 |
59.5% D | Incumbent renominated. |
|
Delaware | Tom Carper | Democratic | 2000 2006 2012 2018 |
60.0% D | Incumbent retiring.[10] |
|
Florida | Rick Scott | Republican | 2018 | 50.1% R | Incumbent renominated. |
|
Hawaii | Mazie Hirono | Democratic | 2012 2018 |
71.2% D | Incumbent renominated. |
|
Indiana | Mike Braun | Republican | 2018 | 50.7% R | Incumbent retiring to run for governor.[8] |
|
Maine | Angus King | Independent | 2012 2018 |
54.3% I | Incumbent running. |
|
Maryland | Ben Cardin | Democratic | 2006 2012 2018 |
64.9% D | Incumbent retiring.[9] |
|
Massachusetts | Elizabeth Warren | Democratic | 2012 2018 |
60.3% D | Incumbent renominated. |
|
Michigan | Debbie Stabenow | Democratic | 2000 2006 2012 2018 |
52.3% D | Incumbent retiring.[13] |
|
Minnesota | Amy Klobuchar | DFL | 2006 2012 2018 |
60.3% DFL | Incumbent renominated. |
|
Mississippi | Roger Wicker | Republican | 2007 (appointed) 2008 (special) 2012 2018 |
58.5% R | Incumbent renominated. |
|
Missouri | Josh Hawley | Republican | 2018 | 51.4% R | Incumbent renominated. |
|
Montana | Jon Tester | Democratic | 2006 2012 2018 |
50.3% D | Incumbent renominated. |
|
Nebraska | Deb Fischer | Republican | 2012 2018 |
57.7% R | Incumbent renominated. |
|
Nevada | Jacky Rosen | Democratic | 2018 | 50.4% D | Incumbent renominated. | |
New Jersey | George Helmy | Democratic | 2024 (appointed) | 54.0% D[k] | Interim appointee retiring.[16] | |
New Mexico | Martin Heinrich | Democratic | 2012 2018 |
54.1% D | Incumbent renominated. |
|
New York | Kirsten Gillibrand | Democratic | 2009 (appointed) 2010 (special) 2012 2018 |
67.0% D | Incumbent renominated. |
|
North Dakota | Kevin Cramer | Republican | 2018 | 55.1% R | Incumbent renominated. |
|
Ohio | Sherrod Brown | Democratic | 2006 2012 2018 |
53.4% D | Incumbent renominated. |
|
Pennsylvania | Bob Casey Jr. | Democratic | 2006 2012 2018 |
55.7% D | Incumbent renominated. |
|
Rhode Island | Sheldon Whitehouse | Democratic | 2006 2012 2018 |
61.4% D | Incumbent renominated. |
|
Tennessee | Marsha Blackburn | Republican | 2018 | 54.7% R | Incumbent renominated. |
|
Texas | Ted Cruz | Republican | 2012 2018 |
50.9% R | Incumbent renominated. |
|
Utah | Mitt Romney | Republican | 2018 | 62.6% R | Incumbent retiring.[11] |
|
Vermont | Bernie Sanders | Independent | 2006 2012 2018 |
67.4% I | Incumbent running. |
|
Virginia | Tim Kaine | Democratic | 2012 2018 |
57.0% D | Incumbent renominated. | |
Washington | Maria Cantwell | Democratic | 2000 2006 2012 2018 |
58.3% D | Incumbent renominated. |
|
West Virginia | Joe Manchin | Independent | 2010 (special)[l] 2012 2018 |
49.6% D | Incumbent retiring.[12] |
|
Wisconsin | Tammy Baldwin | Democratic | 2012 2018 |
55.4% D | Incumbent renominated. |
|
Wyoming | John Barrasso | Republican | 2007 (appointed) 2008 (special) 2012 2018 |
67.0% R | Incumbent renominated. |
|
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One-term independent Kyrsten Sinema was narrowly elected in 2018 as a Democrat with 50.0% of the vote. She left the Democratic Party in December 2022.[75] Sinema announced on March 5, 2024, that she would not run for reelection.[76]
Prior to her retirement announcement, Sinema was considered vulnerable to challengers from the Democratic Party due to her opposition to some of President Joe Biden's agenda,[77] and U.S. representative Ruben Gallego launched an early bid for the Democratic nomination, which he won with no opposition.[78][79]
Among Republicans, Pinal County sheriff Mark Lamb and 2022 gubernatorial nominee Kari Lake have announced their candidacies.[80][81] Lake won the Republican primary by less than expected.
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Five-term Democrat Dianne Feinstein was reelected in 2018 with 54.2% of the vote against another Democrat. On February 14, 2023, Feinstein announced that she would not seek reelection to a sixth term.[82] However, she died on September 29, 2023, leaving the seat vacant. Democrat Laphonza Butler, president of EMILY's List, was appointed by California Governor Gavin Newsom to succeed Feinstein on October 2, 2023.[83] Butler is not running for election to a full term, or for the final two months of the current term.[15]
There were three major Democratic candidates for the seat — U.S. representatives Barbara Lee, Katie Porter, and Adam Schiff — along with former professional baseball player Steve Garvey running as a Republican.[84][85][86][87][88] Schiff was viewed as representing the establishment wing of the Democratic Party, while Porter and Lee represent the progressive wing.[89]
Schiff and Garvey won the non-partisan primary election which took place on March 5, 2024, during Super Tuesday, setting up a general election campaign between the two.[89]
Due to California's election rules, similar to the previous election for the other seat, there will be two ballot items for the same seat: a general election, to elect a Class 1 senator to a full term beginning with the 119th United States Congress, to be sworn in on January 3, 2025; and a special election to fill that seat for the final weeks of the 118th Congress.
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Two-term Democrat Chris Murphy was reelected in 2018 with 59.5% of the vote. He has announced he is running for a third term.[90] Beacon Falls First Selectman Gerry Smith announced his campaign in early February 2024.[91] The Republican primary was won by tavern owner Matthew Corey,[92] who was the Republican nominee in 2018.[93]
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Four-term Democrat Tom Carper was reelected in 2018 with 60.0% of the vote. He announced on May 22, 2023, that he will be retiring, and will not run for a fifth term.[94]
Delaware's at-large U.S. representative Lisa Blunt Rochester is running for the Democratic nomination to succeed Carper, who endorsed her when he announced his retirement.[95][96]
Term-limited governor John Carney was also considered a possible Democratic candidate.[94][97] Carney announced that he is running for mayor of Wilmington.[98]
Among Republicans, businessman Eric Hansen has announced his candidacy.[99]
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Former governor and incumbent one-term Republican Rick Scott was narrowly elected in 2018 with 50.06% of the vote. He is running for reelection to a second term.[100] Brevard County assistant district attorney Keith Gross and actor John Columbus are challenging Scott for the Republican nomination.[101][102]
Former U.S. representative Debbie Mucarsel-Powell is running for the Democratic nomination to challenge Scott.[103]
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Two-term Democrat Mazie Hirono was reelected in 2018 with 71.2% of the vote. Hirono is running for a third term.[37] Former state representative Bob McDermott won a 6-candidate race to be the Republican nominee.[104]
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One-term Republican Mike Braun was elected in 2018 with 50.8% of the vote. Braun is retiring to prepare to run for governor of Indiana.[8] U.S. representative Jim Banks ran unopposed in the primary after his only competition, businessman John Rust, was disqualified.[105]
Psychologist Valerie McCray defeated former state representative Marc Carmichael for the Democratic nomination.[106]
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Two-term Independent incumbent Angus King was reelected in 2018 with 54.3% of the vote in a three-candidate election. He intends to run for a third term despite previously hinting that he may retire.[107]
Democratic consultant David Costello and dentist Demitroula Kouzounas, a former Maine Republican Party chair, each won their respective party primaries unopposed.[108] They will both face King in the general election in November.
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Three-term Democrat Ben Cardin was reelected in 2018 with 64.9% of the vote. On May 1, 2023, Cardin announced he is not running for reelection.[109]
Prince George's County Executive Angela Alsobrooks defeated U.S. representative David Trone for the Democratic nomination after a contentious primary, where Trone spent heavily from his personal wealth while Alsobrooks had the support of most elected Democrats.[110]
Former governor Larry Hogan easily defeated conservative former state delegate Robin Ficker for the Republican nomination.[111] A popular moderate known for his political independence, Hogan had previously declined to run,[112] but unexpectedly filed to run hours before the candidate filing deadline.[45]
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Two-term Democrat Elizabeth Warren was reelected in 2018 with 60.3% of the vote. On March 27, 2023, Warren announced that she is running for reelection.[113]
Software company owner Robert Antonellis,[114] Quincy City Council president Ian Cain,[115] and attorney John Deaton[116] are running as Republicans.
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Four-term Democrat Debbie Stabenow was reelected in 2018 with 52.3% of the vote. She announced on January 5, 2023, that she will retire, and will not run for a fifth term.[13]
Representative Elissa Slotkin,[117] and state representative Leslie Love[118] have announced their candidacies for the Democratic nomination. Businessman and 2006 Republican candidate for this seat Nasser Beydoun has also declared his candidacy as a Democrat.[119] Actor Hill Harper announced his campaign for the Democratic nomination in July 2023.[120]
The primary took place on August 6, 2024. Former U.S. representatives Mike Rogers, Justin Amash, and hedge fund manager Sandy Pensler[121] are running for the Republican nomination.[122][123][124][125]
Representative John James, the Republican nominee for this seat in 2018 and for Michigan's other Senate seat in 2020, declined to run.[126]
The nominees are Slotkin and Rogers, who easily won their primaries as expected.
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Three-term Democrat Amy Klobuchar was reelected in 2018 with 60.3% of the vote. She is running for a fourth term.[37]
In the August 13 Republican primary, former NBA basketball player Royce White won an eight-candidate primary with 38% of the vote, with banker and retired U.S. Navy commander Joe Fraser finishing second with 29% of the vote[127] Third party candidates consist of guardianship advocate and Republican candidate for governor in 2022, Independence-Alliance Party candidate, Joyce Lacy.[128]
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Two-term Republican Roger Wicker was reelected in 2018 with 58.5% of the vote. Wicker is running for a third full term. He faced a primary challenge from conservative state representative Dan Eubanks and won by a comfortable margin.[129] Wicker will face Democratic lawyer Ty Pinkins in the general election.[130]
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One-term Republican Josh Hawley was elected in 2018 with 51.4% of the vote. He is running for reelection.[131]
Marine Veteran Lucas Kunce, who ran unsuccessfully for the Class III seat in 2022, won the Democratic nomination on August 6, 2024.[132]
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Three-term Democrat Jon Tester was narrowly reelected in 2018 with 50.3% of the vote. On February 22, 2023, he announced he is running for a fourth term. Tester is one of two Democratic senators running for reelection who represent states won by Republican Donald Trump in both the 2016 and 2020 presidential elections.[133]
Businessman and former Navy SEAL officer Tim Sheehy won the Republican nomination.[134] U.S. representative Matt Rosendale, also a Republican, ran against Sheehy for the nomination in February[135] but withdrew from the race days later.[136]
There will be two elections in Nebraska, due to the resignation of Ben Sasse.
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Two-term Republican Deb Fischer was reelected in 2018 with 57.7% of the vote. On May 14, 2021, Fischer announced she is seeking reelection, despite previously declaring an intention to retire.[137]
Dan Osborn, a union leader and steamfitter, is running as an independent. Since no Democrats have filed, the state party is considering supporting him.[138]
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Two-term Republican Ben Sasse resigned his seat on January 8, 2023, to become president of the University of Florida.[139][17] Former Governor and 2006 Senate nominee Pete Ricketts was appointed by Governor Jim Pillen and a special election for the seat will take place concurrently with the 2024 regular Senate elections. Ricketts and Air Force veteran John Glen Weaver have declared their candidacies for the Republican nomination.[140] Former University of Nebraska Omaha professor Preston Love Jr. is running as a Democrat.[141]
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One-term Democrat Jacky Rosen was elected in 2018 with 50.4% of the vote. Rosen is running for a second term.[37]
Veteran and 2022 Senate candidate Sam Brown was declared the Republican nominee after winning the June 11 primary.[142] Brown easily won against former ambassador to Iceland Jeffrey Ross Gunter and former state assemblyman Jim Marchant, among others.
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Democrat Bob Menendez was reelected in 2018 with 54.0% of the vote. On July 13, 2021, The New Jersey Globe reported that Menendez planned to run for a fourth full term.[143][144] On September 22, 2023, Menendez was indicted on federal bribery charges.[145] On March 14, 2024, a week after his planned retirement, Menendez reversed his decision and attempted to run for re-election as an Independent candidate.[146] Following his conviction on July 16, he announced that he would resign on August 20 and suspend his candidacy.[147][148] Governor Phil Murphy announced that day he would appoint George Helmy, his former chief of staff, to serve as the caretaker before the election.[149]
Financier and current first lady of New Jersey Tammy Murphy also ran for the Democratic nomination, but ended her campaign in March 2024.[150]
Mendham mayor Christine Serrano Glassner[151] and real estate developer Curtis Bashaw[152] ran for the Republican nomination.[153] On June 4, 2024, Bashaw won the Republican primary in an upset.[154]
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Two-term Democrat Martin Heinrich was reelected in 2018 with 54.1% of the vote in a three-candidate race. He is running for a third term.[155] Hedge fund executive Nella Domenici, whose father Pete served in the U.S. Senate from 1973 to 2009, announced her candidacy for the Republican nomination on January 17, 2024.[156]
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Two-term Democrat Kirsten Gillibrand was reelected in 2018 with 67.0% of the vote. She is running for a third full term.[157]
Former New York City Police detective Mike Sapraicone has declared his candidacy as a Republican.[158]
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One-term Republican Kevin Cramer was elected in 2018 with 55.1% of the vote. Cramer is running for re-election.[159]
Democrat Katrina Christiansen, an engineering professor from the University of Jamestown and candidate for the Senate in 2022 is her party's nominee.[59]
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Three-term Democrat Sherrod Brown was reelected in 2018 with 53.4% of the vote. Brown is running for a fourth term. He is also one of two Democratic senators running for reelection who represent states won by Republican Donald Trump in both the 2016 and 2020 presidential elections.[160]
The Republican nominee is businessman Bernie Moreno, who defeated state senator Matt Dolan and secretary of state Frank LaRose in the primary election.[161]
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Three-term Democrat Bob Casey Jr., was reelected in 2018 with 55.7% of the vote. Casey is running for a fourth term.[162] He is being challenged by engineer Blaine Forkner.[163]
2022 Senate candidate David McCormick is running for the Republican nomination.[164][165][166][167][168][169] On September 30, 2023, the Pennsylvania Republican Party endorsed McCormick.[170]
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Three-term Democrat Sheldon Whitehouse was reelected in 2018 with 61.4% of the vote. He is running for a fourth term. Republicans who have announced their candidacies include state representative Patricia Morgan[171] and IT professional Raymond McKay.[172]
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One-term Republican Marsha Blackburn was elected in 2018 with 54.7% of the vote. Blackburn has filed paperwork to run for reelection. The Democratic nominee is state representative Gloria Johnson.[173]
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Two-term Republican Ted Cruz was narrowly reelected in 2018 with 50.9% of the vote. Cruz is running for a third term.[174]
The Democratic nominee is U.S. representative Colin Allred, who defeated state senator Roland Gutierrez and state representative Carl Sherman in the primary election.[175][176]
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One-term Republican Mitt Romney was elected in 2018 with 62.6% of the vote. On September 13, 2023, Romney announced he would not seek reelection in 2024.[177]
The Republican nominee is U.S. representative John Curtis,[178] who defeated Riverton Mayor Trent Staggs,[179] and state House speaker Brad Wilson,[180] in the primary election.
The Democratic nominee is professional skier Caroline Gleich.[181]
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Three-term independent Bernie Sanders was re-elected in 2018 with 67.4% of the vote. He is being challenged by artist Cris Ericson, an independent perennial candidate.[182] Businessman Gerald Malloy, who was the Republican nominee for the Senate in 2022, secured the Republican nomination unopposed.[183]
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Two-term Democrat Tim Kaine was reelected in 2018 with 57.0% of the vote. On January 20, 2023, he confirmed he is running for reelection to a third term.[184] Governor Glenn Youngkin, who will be term-limited in 2025, was considered a possible Republican candidate.[185]
On July 18, 2023, Navy veteran Hung Cao announced he would run as a Republican. Cao unsuccessfully ran for the U.S. House of Representatives against Democrat Jennifer Wexton in 2022.[186]
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Four-term Democrat Maria Cantwell was reelected in 2018 with 58.3% of the vote.
Emergency room physician Raul Garcia announced that he would run as a Republican.[187]
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Independent Joe Manchin, who was elected as a Democrat, was re-elected in 2018 with 49.6% of the vote. On November 9, 2023, Manchin announced he would not seek re-election.[12] Since Manchin announced his retirement, all major outlets have since rated this seat as expected to flip to GOP control, which would put this seat in Republican hands for the first time in 68 years.
Popular Governor Jim Justice easily defeated U.S. representative Alex Mooney[188] in the Republican primary.
Wheeling mayor Glenn Elliott, who has Manchin's endorsement,[189] defeated community organizer and U.S. Marine Corps veteran Zachary Shrewsbury and former coal executive Don Blankenship in the primary for the Democratic Party nomination.[190]
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Two-term Democrat Tammy Baldwin was reelected in 2018 with 55.4% of the vote. She is running for reelection.[73] Californian hedge fund manager Eric Hovde, candidate for the Senate in 2012, announced a second attempt at the Republican nomination. Former Milwaukee County sheriff David Clarke[191] was seen as a potential Republican challenger to Hovde's bid, but never ended up beginning a campaign for Senate.[192][193]
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Republican John Barrasso was reelected in 2018 with 67.0% of the vote. On April 19, 2024, Barrasso announced he would run for reelection.[194] Former Postal Union president Scott Morrow is the Democratic nominee.[195]
Barrasso easily defeated his Republican primary challengers John Holtz and Reid Rasner on August 20, 2024.[196]
Manchin joins three other members of the Senate who identify as independents: Senators Bernie Sanders (Vermont), Angus King (Maine) and Kyrsten Sinema (Arizona), who caucus with Democrats. A Manchin spokesperson said he will continue to caucus with the Democrats.
Class I terms run from the beginning of the 116th Congress on January 3, 2019, to the end of the 118th Congress on January 3, 2025. Senators in Class I were elected to office in the November 2018 general election, unless they took their seat through appointment or special election.
Democratic Sen. Sheldon Whitehouse told WPRI earlier this month that he'd indeed be seeking a fourth term.
Phillip Waller, the communications director for Wicker, said in a statement that Wicker will also run for re-election next year.
[Cruz] has become the first Republican to file to run against [Menendez]...An independent candidate, Nick Carducci, has also thrown his hat into the ring