Gary C. Peters

U.S. Senator · Michigan · Democrat · Ranking Member, Homeland Security and Governmental Affairs

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

2.91· expected 0.95

Above expectations

Rank 5 of 100 in the Senate · expected = average of 18 minority-party ranking members

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

76 bills and joint resolutions sponsored: 0 significant (got a roll call vote), 76 substantive, 0 commemorative. Compare the Senate

Became law (1)

1 national policy

S. 2878 Great Lakes Fishery Research Reauthorization ActReauthorizes Great Lakes fishery research programs. AI-readBecame law Dec 26, 2025 · Public Lands and Natural ResourcesNational 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

How Peters’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 Peters.

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

Attendance

How it’s measured

98/ 100

Chamber median 98 · 19 missed of 915

Voted on 896 of 915 roll calls; missed 19. Higher than 50% of senators.

85%100%

Party loyalty

How it’s measured

95/ 100

Senate D median 96 · Rank 31 of 47

Sided with the Democratic majority on 823 votes that split the parties. Lower than 81% of senators.

75%100%

Bipartisan

How it’s measured

11/ 100

Chamber median 9 · +2

Average agreement with members of the other party on contested votes. Higher than 77% of senators.

0%30%

Position

How it’s measured

−0.25

Democratic middle 80%: -0.51 to -0.23

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

LiberalConservative

Peters’s bills that passed the Senate or further

All bills

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

S. 2878 Great Lakes Fishery Research Reauthorization ActReauthorizes Great Lakes fishery research programs. AI-readPublic Lands and Natural Resources · Became law Dec 26, 2025Substantive133 words National policy
S. 528 GLRI Act of 2026Reauthorizes the Great Lakes Restoration Initiative through fiscal year 2031. AI-readEnvironmental Protection · Introduced Oct 5, 2026SubstantiveText pending Introduced
S. 3404 Satellite Cybersecurity Act of 2025Establishes cybersecurity requirements and standards for satellite systems. AI-readScience, Technology, Communications · Introduced Sep 24, 2026Substantive1.8k words Introduced
S. 434 Space Commerce Advisory Committee ActRequires Office of Space Commerce to establish advisory committee on commercial space activities for ten years. AI-readScience, Technology, Communications · Introduced Aug 10, 2026SubstantiveText pending Introduced
S. 2542 Federal Building Threat Notification ActRequires federal agencies to notify occupants of threats to federal buildings. AI-readGovernment Operations and Politics · Introduced Aug 10, 2026Substantive438 words Introduced
S. 4631 Expanding Whistleblower Protections for Contractors Act of 2026Expands whistleblower protections for federal contractors and subcontractors. AI-readGovernment Operations and Politics · Introduced May 21, 2026Substantive1.7k words Introduced
S. 272 Protect Infant Formula from Contamination ActRequires infant formula manufacturers to report contamination to FDA within one business day of discovery. AI-readHealth · Introduced May 4, 2026Substantive874 words Introduced
S. 874 Expanding Whistleblower Protections for Contractors Act of 2025Expands whistleblower protections for federal contractor employees to include refusing unlawful orders. AI-readGovernment Operations and Politics · Introduced May 4, 2026Substantive1.7k words Introduced
S. 861 Disaster Assistance Simplification ActDirects FEMA to develop a unified intake process and system for disaster assistance applications across agencies. AI-readEmergency Management · Introduced Dec 17, 2025Substantive2.3k words Introduced
S. 727 U.S. Customs and Border Protection Officer Retirement Technical Corrections ActCorrects retirement benefit calculations for certain Customs and Border Protection officers hired before July 2008. AI-readGovernment Operations and Politics · Introduced Dec 17, 2025Substantive590 words Introduced
S. 865 Lobbying Disclosure Improvement ActRequires registered lobbyists to disclose whether they are exempt from foreign agent registration. AI-readGovernment Operations and Politics · Introduced Dec 17, 2025Substantive96 words Introduced
S. 594 HELP Response and Recovery ActExtends maximum duration of noncompetitive Department of Homeland Security disaster contracts from 150 days to one year. AI-readEmergency Management · Introduced Dec 17, 2025Substantive293 words Introduced
S. 642 Keweenaw Bay Indian Community Land Claim Settlement Act of 2025Directs Interior to transfer funds to Keweenaw Bay Indian Community to settle land claims. AI-readNative Americans · Introduced Dec 15, 2025Substantive1.6k words Introduced
S. 99 Strengthening Support for American Manufacturing ActRequires the Department of Commerce to contract for a study of its supply chain and manufacturing offices. AI-readCommerce · Introduced Oct 24, 2025Substantive563 words Introduced
S. 433 National Manufacturing Advisory Council ActUnable to determine bill's substance; summary not yet available. AI-readCommerce · Introduced Jul 15, 2025Substantive1.8k words Introduced
S. 97 Securing Semiconductor Supply Chains ActRequires SelectUSA to solicit comments on federal efforts to increase foreign semiconductor investment. AI-readCommerce · Introduced May 26, 2025Substantive669 words Introduced

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