Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

People / Susan M. Collins / Questions

Questions about Susan M. Collins

U.S. Senator from Maine · Republican · from roll-call votes in the 119th Congress

How often does Susan M. Collins vote with her party?

Susan M. Collins voted with Republicans on 83% of party-line votes in the 119th Congress (Senate median 99%), as of Nov 2, 2026.

Party-line votes
Party-line votes cast840
With Republicans700 (83%)
Against Republicans140
Senate median99%
Senate Republicans, median100%

Source: Voteview roll calls (UCLA) · How we measure · Who breaks with party most · Updated Nov 2, 2026

How bipartisan is Susan M. Collins?

Susan M. Collins voted the same way as Democrats on 24% of shared contested votes in the 119th Congress (Senate median 9%), 2nd most of 99 Senate members, as of Nov 2, 2026.

Bipartisanship
Contested votes cast893
Same vote as Democrats24%
Senate median9%
Rank in the chamber2nd of 99

Source: Voteview roll calls (UCLA) · How we measure · Updated Nov 2, 2026

Which members vote most like Susan M. Collins?

Lisa Murkowski voted the same way as Susan M. Collins most often: 89% of 856 shared contested votes in the 119th Congress (median for two Senate members of the same party 96%), as of Nov 2, 2026.

Median for two Senate members of the same party: 96%; of different parties: 8%.

Members who vote most alike
MemberSame voteShared votes
RLisa Murkowski89%856
RDan Sullivan86%867
RChuck Grassley86%870
RMitch McConnell85%766
RBill Cassidy85%845
DJohn Fetterman Closest of the Democrats38%835

Source: Voteview roll calls (UCLA) · How we measure · Updated Nov 2, 2026

How much of Susan M. Collins’s PAC money came from PACs whose organizations lobbied on bills she voted on?

Of the 342 PACs that gave to Susan M. Collins in 2025–26 and have a lobbying organization behind them, 144 belong to organizations that lobbied on bills that came to a vote with her in the chamber or that she cosponsored or sponsored (42%; Senate median 41%); together they gave $746K of the $2.5M in PAC money she received (29%; Senate median 29%), as of Nov 2, 2026.

Largest PACs this cycle: Young Victory Committee, Republican Jewish Coalition, National Association of Broadcasters. What each gave is part of Pro.

PACs whose organizations lobbied
PACs that gave in 2025–26484
With a lobbying organization behind them342
Of those, their organizations lobbied on these bills144 (42%)
Senate median41%
Their gifts, together$746K of $2.5M

Source: FEC PAC gifts · Senate LDA lobbying filings · Bill by bill on the profile · How we measure · Updated Nov 2, 2026

Who is running against Susan M. Collins in 2026?

Susan M. Collins faces 1 opponent on the Nov 3, 2026 ballot for the U.S. Senate in Maine: Troy Jackson (Democratic), checked against an official list on Oct 25, 2026.

Graham Platner withdrew in Jul 10, 2026.

On the ballot for the U.S. Senate in Maine
CandidatePartyRaised
Susan M. CollinsRepublican Republican, incumbent$25.2M
Troy Jackson NomineeDemocratic Democratic$26.9M

Source: Official ballot list (maine.gov) · FEC campaign totals · The full race · Updated Oct 25, 2026