Susan M. Collins

U.S. Senator · Maine · Republican · Chair, Appropriations

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From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 10, 2026 · How we measure

Effectiveness, 119th Congress so far

How it’s measured
0.67· expected 1.48

Below expectations

Rank 54 of 100 in the Senate · expected = average of 21 majority-party committee chairs

How far Collins’s own bills got, weighted by substance. The average member scores 1.00.

  1. Introduced 22
  2. Action in committee 4
  3. Action beyond committee 3
  4. Passed chamber 2
  5. Became law 1

22 bills and joint resolutions sponsored: 0 significant (got a roll call vote), 22 substantive, 0 commemorative. Compare the Senate

Became law (1)

1 technical

Scope tags come from an AI reading of each bill where available, otherwise from its title and policy area. They don’t change the score. How scope is tagged

How Collins’s ratings compare with every senator

Ratings, 119th Congress

Scores run 0–100 and always sit next to a median. Each tick is one senator; the ringed marker is Collins.

Collins in plain answers: party votes, bipartisanship, who votes alike

Attendance

How it’s measured
100/ 100

Chamber median 98 · 0 missed of 915

Voted on 915 of 915 roll calls; missed 0. Higher than 99% of senators.

85%100%

Party loyalty

How it’s measured
83/ 100

Senate R median 100 · Rank 53 of 53

Sided with the Republican majority on 840 votes that split the parties. Lower than 99% of senators.

75%100%

Bipartisan

How it’s measured
24/ 100

Chamber median 9 · +15

Average agreement with members of the other party on contested votes. Higher than 99% of senators.

0%30%

Position

How it’s measured
+0.12

Republican middle 80%: 0.38 to 0.78

Left–right position from roll-call similarity (DW-NOMINATE, Voteview), from −1 to +1. Members who vote alike sit near each other.

LiberalConservative

Collins’s bills that became law

All bills

1 bill sponsored in the 119th Congress, furthest along first. These are the bills counted in Collins’s effectiveness score.

1 technical

How we count words

Stage comes from each bill’s latest action on congress.gov; the full history is on each bill page.