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Member brief · 119th Congress

Sen. Susan M. Collins

R · Republican · U.S. Senator, Maine1

In Congress
Since 1997 · 29 years
 Next election
Nov 3, 2026
 Committee leadership
Chairman, Appropriations
Chairman, State, Foreign Operations, and Related Programs

CommitteesChairman, Appropriations; Health, Education, Labor, and Pensions; Senate Select Committee on Intelligence2

Participation3

100 / 100

Chamber median 98
915 of 915 roll calls

Party unity3

83 / 100

Chamber median 99
on 840 party-line votes

Cross-party agreement3

24 / 100

Chamber median 9
on 893 contested votes

Ideology score4

+0.12

Chamber median +0.32
−1 left · +1 right

Notable votes and votes by issue

In the full brief: five notable recent votes chosen by a fixed rule (most recent breaks with party first), each with the member’s vote, the party’s position and a source, plus how often Collins votes with the party on each issue.

Full briefs are part of Oathstar Pro. Team plans add alignment with your own scorecard and your PAC’s giving.

Money and lobbying

In the full brief: how many of Collins’s PACs belong to organizations that lobbied on bills Collins voted on or cosponsored, with the dollars beside the chamber median; the top bills; campaign totals and the top PACs.

Full briefs are part of Oathstar Pro.

Votes most like5

R Lisa Murkowski AK 89% of 856
R Dan Sullivan AK 86% of 867
R Chuck Grassley IA 86% of 870

Share of roll calls both voted on where they voted the same way.

Next race

Nov 3, 2026 · On the November ballot7

On the ballot against them

Troy JacksonDemocratic

Data as of Nov 4, 2026 · votes through Sep 30, 2026 · Method: https://oathstar.com/methodology · Live profile: https://oathstar.com/people/susan-m-collins

  1. 1. Member record and terms: congress.gov; unitedstates/congress-legislators, retrieved 2026-11-04. www.congress.gov/people/C001035
  2. 2. Committees: unitedstates/congress-legislators, retrieved 2026-11-04. github.com/unitedstates/congress-legislators
  3. 3. Participation, party unity, cross-party agreement, votes by issue: Oathstar from Voteview roll calls, 119th Congress, retrieved 2026-11-04. voteview.com/person/49703
  4. 4. Ideology: DW-NOMINATE first dimension, Voteview, 119th Congress. voteview.com/person/49703
  1. 5. Votes most like: Oathstar from Voteview roll calls, 119th Congress. voteview.com/data
  2. 6. Candidates: FEC filings, 2026 ME-SENATE race, retrieved 2026-11-04. www.fec.gov/data/elections/senate/ME/2026/
  3. 7. November ballot: https://en.wikipedia.org/wiki/2026_United_States_Senate_election_in_Maine, as of 2026-10-05. en.wikipedia.org/wiki/2026_United_States_Senate_election_in_Maine

Prepared with Oathstar · oathstar.com

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