John Thune

Senator from South Dakota

SENATEREPUBLICAN1997–nowID T000250

LegislationHEADLINE

7%with Dems

of 4,605 votes

Nominations

3%with Dems

of 2,161 · confirmations only

All contested

5%with Dems

of 6,766 · both combined

Steepest move

−8 pts

2007 → 2009

still a Republican

Career arc

Legislation leads. Each point is one Congress: how often they sided with the Democratic majority on contested bills, resolutions and amendments.

100%75%50%25%0%sides with Democrats ↑sides with Republicans ↓19972003200920152021

2025–26119th Congress

Sat as a Republican

4.6%with Democrats

legislation only

Votes for this Congress are open below

Steepest move: 2007 → 2009, −8 pts — within one party label.

Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with

Sep 17, 2026noneKasdin Miller Mitchell, of Texas, to be United States District Judge for the Northern District of TexasNOMINATIONYEAREP MAJORITY

Sep 17, 2026S. 4668A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.LEGISLATIONYEABOTH · NOT SCORED

Full textA bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.Party majoritiesDemocrats Yea · Republicans YeaCounts toward scoreNo — both party majorities voted Yea.

Where this lands

YEAVoted with both majorities — not scored

Open roll call

Sep 15, 2026S. 4668A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.LEGISLATIONYEABOTH · NOT SCORED

Sep 15, 2026H.R. 3633To provide for a system of regulation of the offer and sale of digital commodities by the Securities and Exchange Commission and the Commodity Futures Trading Commission, to amend the Federal Reserve Act to prohibit the Federal reserve banks from offering certain products or services directly to an individual, to prohibit the use of central bank digital currency for monetary policy, and for other purposes.LEGISLATIONYEAREP MAJORITY

Sep 15, 2026noneMatthew R. Byrne, of Ohio, to be United States District Judge for the Southern District of OhioNOMINATIONYEAREP MAJORITY

Sep 14, 2026noneMatthew R. Byrne, of Ohio, to be United States District Judge for the Southern District of OhioNOMINATIONYEAREP MAJORITY

Aug 8, 2026S. 5271A bill to amend the Help America Vote Act of 2002 to require voters to provide photo identification.LEGISLATIONYEAREP MAJORITY

Aug 8, 2026noneTodd Blanche, of Florida, to be Attorney GeneralNOMINATIONYEAREP MAJORITY

9 most recent roll calls shown · 828 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation

Economics and Public Finance8.4% · 1,553 votes

Congress2.5% · 442 votes

Armed Forces and National Security3.4% · 266 votes

Taxation2.8% · 253 votes

Health3.7% · 214 votes

International Affairs3.7% · 189 votes

Finance and Financial Sector2.5% · 161 votes

Government Operations and Politics15.5% · 161 votes

Energy9% · 133 votes

Immigration3.8% · 131 votes

Transportation and Public Works9.2% · 119 votes

Crime and Law Enforcement4.3% · 116 votes

Education10% · 110 votes

Public Lands and Natural Resources9.6% · 83 votes

Agriculture and Food26.8% · 82 votes

Labor and Employment4.9% · 81 votes

Emergency Management12.7% · 63 votes

Law3.3% · 60 votes

Science, Technology, Communications10% · 60 votes

Foreign Trade and International Finance7% · 57 votes

Environmental Protection0% · 53 votes

Commerce3% · 33 votes

Civil Rights and Liberties, Minority Issues0% · 24 votes

Housing and Community Development4.3% · 23 votes

Water Resources Development0% · 23 votes

Social Welfare11.1% · 18 votes

Commemorations0% · 10 votes

Too few contested votes to score

Native Americans— · 7 votes

Families— · 5 votes

Animals— · 3 votes

Arts, Culture, Religion— · 1 vote

Sports and Recreation— · 1 vote

Blue is the share of votes siding with the Democratic majority; the tick marks 50%.

Service record

14 Congresses

105th · 1997109th · 2005119th · 2025

Republican · House · SD105th–107th

Republican · Senate · SD109th–119th

Term datesexact

John Thune

Senator from South Dakota

SENATER1997–now14 CONGRESSES

Compare

LegislationHEADLINE

6.6%with Democrats

of 4,605 votes · 93.4% with Republicans

Nominations3%of 2,161 votes

All contested5%of 6,766 · combined

Steepest move−8 pts2007→09, as a Republican

Career arc

10050019972025

2025–26 · 119th · Republican4.6%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea

Republican majorityYea

Counts toward scoreNo

Open roll call

Latest 6 shown · 828 contested votes scored in the 119th

By policy area

career

Economics and Public Finance8.4% · 1,553

Congress2.5% · 442

Armed Forces and National Security3.4% · 266

Taxation2.8% · 253

Health3.7% · 214

International Affairs3.7% · 189

Finance and Financial Sector2.5% · 161

Government Operations and Politics15.5% · 161

Energy9% · 133

Immigration3.8% · 131

Transportation and Public Works9.2% · 119

Crime and Law Enforcement4.3% · 116

Education10% · 110

Public Lands and Natural Resources9.6% · 83

Agriculture and Food26.8% · 82

Labor and Employment4.9% · 81

Emergency Management12.7% · 63

Law3.3% · 60

Science, Technology, Communications10% · 60

Foreign Trade and International Finance7% · 57

Environmental Protection0% · 53

Commerce3% · 33

Civil Rights and Liberties, Minority Issues0% · 24

Housing and Community Development4.3% · 23

Water Resources Development0% · 23

Social Welfare11.1% · 18

Commemorations0% · 10

Native Americans— · 7

Families— · 5

Animals— · 3

Arts, Culture, Religion— · 1

Sports and Recreation— · 1

Service record

105th · 1997119th · 2025

Republican105th–107th

Republican109th–119th

Party switchers

John Alexander LoganD→R · IL · 40th Wesley Wade WatkinsD→R · OK · 105th Ben Nighthorse CampbellD→R · CO · 104th