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Member of Congress

Susan M. Collins

Republican · U.S. Senator for Maine

Official biography (Biographical Directory of the U.S. Congress)

Compare with another member

117th Congress, Senate

Party unity how it’s measured

35.4%

Voted with their party on 272 of 768 party-unity votes

Missed votes how it’s measured

0%

Missed 0 of 949 votes they were eligible for

Cross-party cosponsoring how it’s measured

70.7%

282 of the 399 bills they cosponsored were introduced by another party

See the bills

Cross-party support how it’s measured

95.3%

41 of the 43 bills they introduced have a cosponsor from another party

See the bills

How they voted by issue area

Each vote counts in every issue area its bill has. A Yea on a procedural vote or motion doesn’t mean support for the bill. How we count these

Issue areaYeaNayPresent or not votingVotes
Agriculture and food130
Civil rights400
Crime and justice1140
Defense and veterans1170
Economy and finance970
Education1050
Energy1150
Environment1370
Foreign affairs and trade810
Government and elections600
Healthcare1770
Housing130
Immigration820
Labor and jobs760
Social safety net960
Taxes030
Technology530
Transportation860

Party unity over time

By month, across every Congress we cover in the Senate. Months with few party-unity votes can swing widely.

Show as a table
MonthParty unityWith party
Jan 20210%0 of 2
Feb 202168.4%26 of 38
Mar 202160.7%37 of 61
Apr 202140%10 of 25
May 202135.3%12 of 34
Jun 202117.9%5 of 28
Jul 202127.3%9 of 33
Aug 202170.8%34 of 48
Sep 202128.9%11 of 38
Oct 202120.5%9 of 44
Nov 202117.6%3 of 17
Dec 202132%16 of 50
Jan 202233.3%4 of 12
Feb 20227%3 of 43
Mar 202220.4%11 of 54
Apr 202220%3 of 15
May 202242.6%23 of 54
Jun 202231.8%7 of 22
Jul 20220%0 of 29
Aug 202280.5%33 of 41
Sep 202228%7 of 25
Nov 202221.4%3 of 14
Dec 202214.6%6 of 41
Jan 20230%0 of 1
Feb 202311.1%3 of 27
Mar 202317.8%8 of 45
Apr 202312.5%2 of 16
May 202332.4%11 of 34
Jun 202358.8%20 of 34
Jul 202340.9%9 of 22
Sep 202342.9%9 of 21
Oct 202342.9%12 of 28
Nov 202351.4%18 of 35
Dec 202325%5 of 20
Jan 202442.9%6 of 14
Feb 202414.8%4 of 27
Mar 202459%23 of 39
Apr 202469.6%16 of 23
May 202428.6%6 of 21
Jun 20247.7%1 of 13
Jul 202415.8%3 of 19
Aug 202450%1 of 2
Sep 202418.2%4 of 22
Nov 202486.4%38 of 44
Dec 202465.5%19 of 29
Jan 202590%18 of 20
Feb 202585.3%58 of 68
Mar 202598.1%52 of 53
Apr 202574.2%49 of 66
May 2025100%54 of 54
Jun 202590.3%65 of 72
Jul 202574.3%81 of 109
Aug 2025100%23 of 23
Sep 202594.1%32 of 34
Oct 202593.5%58 of 62
Nov 202595.2%20 of 21
Dec 202581.8%27 of 33
Jan 202652.9%9 of 17
Feb 202695.7%22 of 23
Mar 202696%24 of 25
Apr 202648.6%18 of 37
May 202675%12 of 16
Jun 202669%40 of 58
Jul 202682.6%19 of 23
Aug 202666.7%6 of 9
Sep 202676.5%13 of 17

Votes

Every vote that counts in our statistics that they were eligible for, newest first.

Showing 1–50 of 949 votes

  • Dec 22, 2022Roll call 421

    H.R. 2617: On the Motion (Motion to Concur in the House Amendment to Senate Amendment No. 4 with an Amendment No. 6552)

    Consolidated Appropriations Act, 2023

    Final passage · Motion Agreed to · Economy and finance

    YeaAgainst their party
  • Dec 22, 2022Roll call 420

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Agreed to · Economy and finance

    Yea
  • Dec 22, 2022Roll call 419

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Agreed to · Economy and finance

    Yea
  • Dec 22, 2022Roll call 418

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Agreed to · Economy and finance

    Yea
  • Dec 22, 2022Roll call 417

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Agreed to · Economy and finance

    Yea
  • Dec 22, 2022Roll call 416

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Agreed to · Economy and finance

    YeaAgainst their party
  • Dec 22, 2022Roll call 415

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    NayAgainst their party
  • Dec 22, 2022Roll call 414

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    NayAgainst their party
  • Dec 22, 2022Roll call 413

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    YeaWith their party
  • Dec 22, 2022Roll call 412

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    Nay
  • Dec 22, 2022Roll call 411

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    NayAgainst their party
  • Dec 22, 2022Roll call 410

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    NayAgainst their party
  • Dec 22, 2022Roll call 409

    H.R. 2617: On the Amendment

    Consolidated Appropriations Act, 2023

    Amendment · Amendment Rejected · Economy and finance

    NayAgainst their party
  • Dec 22, 2022Roll call 408

    H.R. 2617: On the Motion (Motion to Waive All Applicable Budgetary Discipline Re: the House Amendment to Senate Amendment No. 4 with an Amendment (Amendment No. 6552))

    Consolidated Appropriations Act, 2023

    Procedural · Motion Agreed to · Economy and finance

    YeaAgainst their party
  • Dec 22, 2022Roll call 407

    S. 5355: On Passage of the Bill

    Disaster Relief Supplemental Appropriations Act, 2023

    Final passage · Bill Defeated · Agriculture and food, Energy, Environment, Healthcare, Housing, Immigration, Social safety net, Transportation

    Nay
  • Dec 22, 2022Roll call 406

    On the Nomination

    Confirmation: Franklin R. Parker, of the District of Columbia, to be an Assistant Secretary of the Navy

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 21, 2022Roll call 405

    On the Nomination

    Confirmation: Agnes Schaefer, of Pennsylvania, to be an Assistant Secretary of the Army

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 21, 2022Roll call 404

    On the Nomination

    Confirmation: Lynne M. Tracy, of Ohio, to be Ambassador of the United States of America to the Russian Federation

    Final passage · Nomination Confirmed

    Yea
  • Dec 20, 2022Roll call 403

    H.R. 2617: On the Motion to Proceed

    Consolidated Appropriations Act, 2023

    Procedural · Motion to Proceed Agreed to · Economy and finance

    YeaAgainst their party
  • Dec 20, 2022Roll call 402

    On the Nomination

    Confirmation: Robert Harley Shriver III, of Virginia, to be Deputy Director of the Office of Personnel Management

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 20, 2022Roll call 401

    On the Nomination

    Confirmation: R. Russell Rumbaugh, of Nebraska, to be an Assistant Secretary of the Navy

    Final passage · Nomination Confirmed

    Yea
  • Dec 19, 2022Roll call 400

    On the Nomination

    Confirmation: Martin J. Gruenberg, of Maryland, to be a Member of the Board of Directors of the Federal Deposit Insurance Corporation

    Final passage · Nomination Confirmed

    NayWith their party
  • Dec 15, 2022Roll call 399

    H.R. 1437: On the Motion (Motion to Concur in the House Amendment to the Senate Amendment to H.R. 1437)

    Further Continuing Appropriations and Extensions Act, 2023

    Final passage · Motion Agreed to · Economy and finance, Environment

    Yea
  • Dec 15, 2022Roll call 398

    H.R. 1437: On the Motion (Motion to Concur in the House Amendment to the Senate amendment to H.R. 1437, with Lee amendment No. 6451, as modified)

    Further Continuing Appropriations and Extensions Act, 2023

    Final passage · Motion Rejected · Economy and finance, Environment

    NayAgainst their party
  • Dec 15, 2022Roll call 397

    H.R. 1437: On the Motion (Motion to Concur in the House Amendment to the Senate Amendment to H.R. 1437 with the Scott (FL) Amendment No. 6540)

    Further Continuing Appropriations and Extensions Act, 2023

    Final passage · Motion Rejected · Economy and finance, Environment

    YeaWith their party
  • Dec 15, 2022Roll call 396

    H.R. 7776: On the Motion (Motion to Concur in the House Amendment to the Senate Amendment to H.R. 7776)

    James M. Inhofe National Defense Authorization Act for Fiscal Year 2023

    Final passage · Motion Agreed to · Defense and veterans, Energy, Environment, Social safety net, Transportation

    Yea
  • Dec 15, 2022Roll call 395

    H.R. 7776: On the Motion (Motion to Concur in the House Amendment to the Senate Amendment to H.R. 7776 with the Johnson Amendment No. 6526)

    James M. Inhofe National Defense Authorization Act for Fiscal Year 2023

    Final passage · Motion Rejected · Defense and veterans, Energy, Environment, Social safety net, Transportation

    NayAgainst their party
  • Dec 15, 2022Roll call 394

    H.R. 7776: On the Cloture Motion

    James M. Inhofe National Defense Authorization Act for Fiscal Year 2023

    Cloture · Cloture Motion Rejected · Defense and veterans, Energy, Environment, Social safety net, Transportation

    YeaAgainst their party
  • Dec 15, 2022Roll call 393

    H.R. 1437: On the Motion to Proceed

    Further Continuing Appropriations and Extensions Act, 2023

    Procedural · Motion to Proceed Agreed to · Economy and finance, Environment

    Yea
  • Dec 15, 2022Roll call 392

    On the Nomination

    Confirmation: Musetta Tia Johnson, of Virginia, to be a Judge of the U.S. Court of Appeals for the Armed Forces

    Final passage · Nomination Confirmed

    Yea
  • Dec 14, 2022Roll call 391

    On the Nomination

    Confirmation: Francisco O. Mora, of Florida, to be Permanent Representative of the United States of America to the Organization of American States

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 14, 2022Roll call 390

    S.J.Res. 60: On the Joint Resolution

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Education relating to "Final Priorities, Requirements, Definitions, and Selection Criteria-Expanding Opportunity Through Quality Charter Schools Program (CSP)-Grants to State Entities (State Entity Grants); Grants to Charter Management Organizations for the Replication and Expansion of High-Quality Charter Schools (CMO Grants); and Grants to Charter School Developers for the Opening of New Charter Schools and for the Replication and Expansion of High-Quality Charter Schools (Developer Grants)".

    Final passage · Joint Resolution Defeated · Education

    YeaWith their party
  • Dec 13, 2022Roll call 389

    On the Nomination

    Confirmation: Jay Curtis Shambaugh, of Maryland, to be an Under Secretary of the Treasury

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 13, 2022Roll call 388

    On the Nomination

    Confirmation: Dana M. Douglas, of Louisiana, to be U.S. Circuit Judge for the Fifth Circuit

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 12, 2022Roll call 387

    On the Nomination

    Confirmation: Tamika R. Montgomery-Reeves, of Delaware, to be United States Circuit Judge for the Third Circuit

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 8, 2022Roll call 386

    On the Cloture Motion

    Motion to Invoke Cloture: Dana M. Douglas to be U.S. Circuit Judge for the Fifth Circuit

    Cloture · Cloture Motion Agreed to

    YeaAgainst their party
  • Dec 8, 2022Roll call 385

    On the Cloture Motion

    Motion to Invoke Cloture: Tamika R. Montgomery-Reeves, to be U.S. Circuit Judge for the Third Circuit

    Cloture · Cloture Motion Agreed to

    YeaAgainst their party
  • Dec 8, 2022Roll call 384

    On the Nomination

    Confirmation: Jeffery Paul Hopkins, of Ohio, to be U.S. District Judge for the Southern District of Ohio

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 7, 2022Roll call 383

    On the Nomination

    Confirmation: Jerry W. Blackwell, of Minnesota, to be U.S. District Judge for the District of Minnesota

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 7, 2022Roll call 382

    On the Cloture Motion

    Motion to Invoke Cloture: Jeffery Paul Hopkins to be U.S. District Judge for the Southern District of Ohio

    Cloture · Cloture Motion Agreed to

    YeaAgainst their party
  • Dec 7, 2022Roll call 381

    On the Nomination

    Confirmation: John Frank Murphy, of Pennsylvania, to be U.S. District Judge for the Eastern District of Pennsylvania

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 7, 2022Roll call 380

    On the Nomination

    Confirmation: Kai N. Scott, of Pennsylvania, to be U.S. District Judge for the Eastern District of Pennsylvania

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 7, 2022Roll call 379

    On the Cloture Motion

    Motion to Invoke Cloture: Kai N. Scott to be U.S. District Judge for the Eastern District of Pennsylvania

    Cloture · Cloture Motion Agreed to

    YeaAgainst their party
  • Dec 7, 2022Roll call 378

    On the Nomination

    Confirmation: Mia Roberts Perez, of Pennsylvania, to U.S. District Judge for the Eastern District of Pennsylvania

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 6, 2022Roll call 377

    On the Nomination

    Confirmation: Kelley Brisbon Hodge, of Pennsylvania, to be U.S. District Judge for the Eastern District of Pennsylvania

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 6, 2022Roll call 376

    On the Nomination

    Confirmation: Frances Kay Behm, of Michigan, to be U.S. District Judge for the Eastern District of Michigan

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 6, 2022Roll call 375

    On the Cloture Motion

    Motion to Invoke Cloture: Kelley Brisbon Hodge to be U.S. District Judge for the Eastern District of Pennsylvania

    Cloture · Cloture Motion Agreed to

    YeaAgainst their party
  • Dec 6, 2022Roll call 374

    On the Cloture Motion

    Motion to Invoke Cloture: Frances Kay Behm to be U.S. District Judge for the Eastern District of Michigan

    Cloture · Cloture Motion Agreed to

    YeaAgainst their party
  • Dec 5, 2022Roll call 373

    On the Nomination

    Confirmation: Doris L. Pryor, of Indiana, to be U.S. Circuit Judge for the Seventh Circuit

    Final passage · Nomination Confirmed

    YeaAgainst their party
  • Dec 1, 2022Roll call 372

    H.J.Res. 100: On the Resolution

    To provide for a resolution with respect to the unresolved disputes between certain railroads represented by the National Carriers' Conference Committee of the National Railway Labor Conference and certain of their employees.

    Final passage · Resolution Agreed to · Labor and jobs, Transportation

    Nay

Bills

The bills and joint resolutions behind the bipartisanship numbers, newest first. How we count these

Introduced (43)

  • S. 5357: A bill to provide compensation for United States victims of Libyan state-sponsored terrorism, and for other purposes.Cosponsor from another party
  • S. 5070: Relief for Farmers Hit with PFAS ActCosponsor from another party
  • S. 4618: Supporting Seniors with Opioid Use Disorder Act of 2022Cosponsor from another party
  • S. 4574: Enhanced Election Security and Protection ActCosponsor from another party
  • S. 4573: Electoral Count Reform and Presidential Transition Improvement Act of 2022Cosponsor from another party
  • S. 4446: Modernizing the Accelerated Approval Pathway Act of 2022Cosponsor from another party
  • S. 4420: CREST Act of 2022Cosponsor from another party
  • S. 4203: NAPA Reauthorization ActCosponsor from another party
  • S. 4202: Alzheimer’s Accountability and Investment ActCosponsor from another party
  • S. 3713: Reproductive Choice Act

See all 43

Cosponsored (399)

  • S. 5336: PREEMIE Reauthorization Act of 2022Introduced by another party
  • S. 5272: Increasing Mental Health Options Act of 2022Introduced by another party
  • S. 5268: NIH Clinical Trial Diversity Act of 2022Introduced by another party
  • S. 5266: Investing in Infant and Early Childhood Mental Health ActIntroduced by another party
  • S. 5242: International Violence Against Women Act of 2022Introduced by another party
  • S. 5192: A bill to amend the Internal Revenue Code of 1986 to increase the limitation on the credit for biomass stoves and boilers.Introduced by another party
  • S. 5142: Healthcare for Our Troops ActIntroduced by another party
  • S. 5130: Protect Camp Lejeune VETS Act
  • S. 5073: Oral Health Literacy and Awareness Act of 2022Introduced by another party
  • S. 5067: Red Listing Monterey Bay Aquarium ActIntroduced by another party

See all 399

Service

Seats held in the Congresses we cover, from the 117th (2021) on.

  • Senator for Maine

    January 3, 2021 – present · Republican