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.

Jon Tester

Former Senator from Montana, 2007–2025 · Democrat

Record from the 118th Congress · From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 5, 2026 · How we measure

Effectiveness, 118th Congress

How it’s measured
2.66· expected 1.14

Above expectations

Rank 3 of 102 who served in the Senate that Congress · expected = average of 53 majority-party members

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

  1. Introduced 62
  2. Action in committee 22
  3. Action beyond committee 14
  4. Passed chamber 7
  5. Became law 4

62 bills and joint resolutions sponsored: 2 significant (got a roll call vote), 59 substantive, 1 commemorative. Compare the Senate

Became law (4)

3 national policy · 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 Tester’s ratings compare with every senator

Ratings, 118th Congress

Scores run 0–100 and always sit next to a median. Each tick is one senator; the ringed marker is Tester. Medians and ranks are among everyone who served in the 118th Congress’s Senate.

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

97/ 100

Chamber median 97 · 24 missed of 691

Voted on 667 of 691 roll calls; missed 24. Higher than 50% of senators.

50%100%

Party loyalty

How it’s measured
95/ 100

Senate D median 99 · Rank 51 of 53

Sided with the Democratic majority on 512 votes that split the parties. Lower than 79% of senators.

40%100%
23/ 100

Chamber median 18 · +5

Average agreement with members of the other party on contested votes. Higher than 86% of senators.

0%70%
−0.21

Democratic middle 80%: -0.48 to -0.21

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

LiberalConservative

Bills, 118th Congress

Sponsored 76 (median 52) · cosponsored 240 (median 327). Medians are for all voting members of the Senate. From congress.gov.

How we count words

Sponsored

Cosponsored