John Thune

U.S. Senator · South Dakota · Republican

From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 8, 2026 · How we measure

Effectiveness, 119th Congress so far

How it’s measured

1.06· expected 1.04

Meets expectations

Rank 33 of 100 in the Senate · expected = average of 32 majority-party members without a committee lead

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

21 bills and joint resolutions sponsored: 1 significant (got a roll call vote), 20 substantive, 0 commemorative. Compare the Senate

Became law (1)

1 national policy

S. 723 Tribal Trust Land Homeownership Act of 2025Accelerates Bureau of Indian Affairs processing of tribal trust land mortgage and lease documents. AI-readBecame law May 4, 2026 · Native AmericansNational 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 Thune’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 Thune.

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

Attendance

How it’s measured

100/ 100

Chamber median 98 · 1 missed of 915

Voted on 914 of 915 roll calls; missed 1. Higher than 96% of senators.

85%100%

Party loyalty

How it’s measured

98/ 100

Senate R median 100 · Rank 46 of 53

Sided with the Republican majority on 839 votes that split the parties. Lower than 64% 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 75% of senators.

0%30%

Position

How it’s measured

+0.43

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

Thune’s bills that made it out of committee or further

All bills

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

S. 723 Tribal Trust Land Homeownership Act of 2025Accelerates Bureau of Indian Affairs processing of tribal trust land mortgage and lease documents. AI-readNative Americans · Became law May 4, 2026Substantive2.1k words National policy
S. 5359 Pennington County Land Conveyance ActConveys a parcel of federal land in Pennington County. AI-readPublic Lands and Natural Resources · Out of committee Sep 30, 2026Substantive236 words Out of committee
S. 3725 Lewis and Clark Regional Water System Expansion Feasibility Study ActAuthorizes a feasibility study for the Lewis and Clark Regional Water System Expansion. AI-readWater Resources Development · Out of committee Sep 17, 2026Substantive999 words Out of committee
S. 3723 Western South Dakota Water Supply Project Feasibility Study ActDirects study of Western South Dakota water supply project feasibility. AI-readWater Resources Development · Out of committee Sep 17, 2026Substantive930 words Out of committee
S. 4448 Accelerating Broadband Permits Act of 2026Unable to determine bill content; no summary available. AI-readScience, Technology, Communications · Out of committee Jul 22, 2026Substantive548 words Out of committee

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