Marsha Blackburn

U.S. Senator · Tennessee · Republican

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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
2.23· expected 1.04

Above expectations

Rank 8 of 100 in the Senate · expected = average of 32 majority-party members without a committee lead

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

  1. Introduced 127
  2. Action in committee 15
  3. Action beyond committee 11
  4. Passed chamber 3
  5. Became law 2

127 bills and joint resolutions sponsored: 1 significant (got a roll call vote), 125 substantive, 1 commemorative. Compare the Senate

Became law (2)

2 national policy

  • S. 195 American Music Tourism Act of 2025Promote tourism related to American music heritage and cultural sites. AI-readBecame law Oct 9, 2026 · Arts, Culture, ReligionNational policy
  • S. 307 Prison Staff Safety Enhancement ActRequires the Bureau of Prisons to adopt standards addressing sexual assault and harassment against staff. AI-readBecame law Sep 16, 2026 · Crime and Law EnforcementNational policy

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

Became law inside another bill (1)

Blackburn’s own bill stalled, but the Congressional Research Service lists an identical bill, or one with similar text, that became law. Shown for context; not counted in the score, which follows the Center for Effective Lawmaking. How this works

How Blackburn’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 Blackburn.

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

Attendance

How it’s measured
94/ 100

Chamber median 98 · 53 missed of 915

Voted on 862 of 915 roll calls; missed 53. Lower than 90% of senators.

85%100%

Party loyalty

How it’s measured
100/ 100

Senate R median 100 · Rank 1 of 53

Sided with the Republican majority on 793 votes that split the parties. Higher than 96% of senators.

75%100%

Bipartisan

How it’s measured
8/ 100

Chamber median 9 · −1

Average agreement with members of the other party on contested votes. Lower than 74% of senators.

0%30%

Position

How it’s measured
+0.63

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

Blackburn’s bills that passed the Senate or further

All bills

3 bills and joint resolutions sponsored in the 119th Congress, furthest along first. These are the bills counted in Blackburn’s effectiveness score.

How we count words
  • S. 195 American Music Tourism Act of 2025Promote tourism related to American music heritage and cultural sites. AI-readArts, Culture, Religion · Became law Oct 9, 2026Substantive510 words National policy
  • S. 307 Prison Staff Safety Enhancement ActRequires the Bureau of Prisons to adopt standards addressing sexual assault and harassment against staff. AI-readCrime and Law Enforcement · Became law Sep 16, 2026Substantive763 words National policy
  • S. 3023 Safe Cloud Storage ActLimits liability of vendors storing child sexual abuse material for law enforcement investigations. AI-readCrime and Law Enforcement · Introduced May 21, 2026SubstantiveText pending Introduced

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