Marsha Blackburn

U.S. Senator · Tennessee · Republican

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.

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)

S. 841 Romance Scam Prevention ActIdentical bill became law as H.R. 2481 · Oct 20, 2026Via H.R. 2481

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 made it out of committee or further

All bills

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

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
S. 1748 Kids Online Safety ActRequires online platforms to implement safety tools and protections for users under 17. AI-readScience, Technology, Communications · Out of committee Aug 5, 2026Substantive9.7k words Out of committee
S. 1572 Federal Carjacking Enforcement ActEnhances federal enforcement authority and penalties for carjacking crimes. AI-readCrime and Law Enforcement · Out of committee May 11, 2026Substantive274 words Out of committee
S. 233 Restoring Confidence in the World Anti-Doping Agency Act of 2025Addresses U.S. confidence and participation in the World Anti-Doping Agency. AI-readSports and Recreation · Out of committee Feb 23, 2026Substantive2k words Out of committee
S. 277 A bill to release a Federal reversionary interest and convey mineral interests in Chester County, Tennessee, and for other purposes.Releases Federal reversionary interest and conveys mineral interests in Chester County, Tennessee. AI-readPublic Lands and Natural Resources · Out of committee Oct 27, 2025Substantive544 words Out of committee
S. 1442 Combating Trafficking in Transportation ActEstablishes measures to combat human trafficking in transportation systems. AI-readTransportation and Public Works · Out of committee Oct 14, 2025Substantive485 words Out of committee
S. 841 Romance Scam Prevention ActEstablishes federal protections and penalties related to romance scams. AI-readCommerce · Out of committee Sep 2, 2025Substantive3.2k words Out of committee
S. 196 MAIN Event Ticketing ActRegulates ticket resale practices and primary ticket market access. AI-readCommerce · Out of committee Sep 2, 2025Substantive2.7k words Out of committee
S. 244 ROUTERS ActModifies federal regulations or requirements related to routers and broadband infrastructure. AI-readScience, Technology, Communications · Out of committee Jun 2, 2025Substantive193 words Out of committee

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