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Member brief · 119th Congress

Sen. John Thune

R · Republican · U.S. Senator, South Dakota1

In Congress
Since 1997 · 27 years
 Next election
Nov 7, 2028
 Committee leadership
None

CommitteesAgriculture, Nutrition, and Forestry; Commerce, Science, and Transportation; Finance; Ex Officio, Senate Select Committee on Intelligence2

Participation3

100 / 100

Chamber median 98
914 of 915 roll calls

Party unity3

98 / 100

Chamber median 99
on 839 party-line votes

Cross-party agreement3

11 / 100

Chamber median 9
on 892 contested votes

Ideology score4

+0.43

Chamber median +0.32
−1 left · +1 right

Notable votes and votes by issue

In the full brief: five notable recent votes chosen by a fixed rule (most recent breaks with party first), each with the member’s vote, the party’s position and a source, plus how often Thune votes with the party on each issue.

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Votes most like5

R Alan Armstrong OK 98% of 181
R Pete Ricketts NE 98% of 884
R Deb Fischer NE 98% of 883

Share of roll calls both voted on where they voted the same way.

Next race

Nov 7, 2028 · Seat next on the ballot in 20281

Data as of Oct 4, 2026 · votes through Sep 30, 2026 · Method: https://oathstar.com/methodology · Live profile: https://oathstar.com/member/john-thune

  1. 1. Member record and terms: congress.gov; unitedstates/congress-legislators, retrieved 2026-10-04. www.congress.gov/member/T000250
  2. 2. Committees: unitedstates/congress-legislators, retrieved 2026-10-04. github.com/unitedstates/congress-legislators
  3. 3. Participation, party unity, cross-party agreement, votes by issue: Oathstar from Voteview roll calls, 119th Congress, retrieved 2026-10-04. voteview.com/person/29754
  4. 4. Ideology: DW-NOMINATE first dimension, Voteview, 119th Congress. voteview.com/person/29754
  5. 5. Votes most like: Oathstar from Voteview roll calls, 119th Congress. voteview.com/data

Prepared with Oathstar · oathstar.com

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