Thune is the senior senator from South Dakota and is a Republican. He has served since Jan 4, 2005. Thune is next up for reelection in 2022.
He is also Assistant Senate Majority Leader, a party leadership role. Party leaders focus more on setting their party’s legislative priorties than on introducing legislation.
He was previously the representative for South Dakota’s at-large district as a Republican from 1997 to 2002.
![Photo of Sen. John Thune [R-SD]](/static/legislator-photos/400546-200px.jpeg)
Analysis
Legislative Metrics
Read our 2018 Report Card for Thune.
Ideology–Leadership Chart
Thune is shown as a purple triangle ▲ in our ideology-leadership chart below. Each dot is a member of the Senate positioned according to our liberal–conservative ideology score (left to right) and our leadership score (leaders are toward the top).
The chart is based on the bills Thune has sponsored and cosponsored from Jan 6, 2015 to Dec 5, 2019. See full analysis methodology.
Ratings from Advocacy Organizations
Committee Membership
John Thune sits on the following committees:
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Senate Committee on Commerce, Science, and Transportation
- Chair, Subcommittee on Communications, Technology, Innovation, and the Internet
- Member, Subcommittee on Aviation and Space
- Member, Subcommittee on Manufacturing, Trade, and Consumer Protection
- Member, Subcommittee on Transportation and Safety
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Senate Committee on Finance
- Chair, Subcommittee on Taxation and IRS Oversight
- Member, Subcommittee on Health Care
- Member, Subcommittee on International Trade, Customs, and Global Competitiveness
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Senate Committee on Agriculture, Nutrition, and Forestry
- Member, Subcommittee on Conservation, Forestry, and Natural Resources
- Member, Subcommittee on Nutrition, Agricultural Research, and Specialty Crops
- Member, Subcommittee on Rural Development and Energy
Enacted Legislation
Thune was the primary sponsor of 36 bills that were enacted. The most recent include:
- S. 100: Custer County Airport Conveyance Act
- S. 2200 (115th): National Integrated Drought Information System Reauthorization Act of 2018
- S. 3367 (115th): Department of Transportation Reports Harmonization Act
- S. 3143: National Quantum Initiative Act
- S. 808: Sports Medicine Licensure Clarity Act of 2017
- S. 35: Black Hills National Cemetery Boundary Expansion Act
- S. 2844: STB Information Security Improvement Act
Does 36 not sound like a lot? Very few bills are ever enacted — most legislators sponsor only a handful that are signed into law. But there are other legislative activities that we don’t track that are also important, including offering amendments, committee work and oversight of the other branches, and constituent services.
We consider a bill enacted if one of the following is true: a) it is enacted itself, b) it has a companion bill in the other chamber (as identified by Congress) which was enacted, or c) if at least about half of its provisions were incorporated into bills that were enacted (as determined by an automated text analysis, applicable beginning with bills in the 110th Congress).
Bills Sponsored
Issue Areas
Thune sponsors bills primarily in these issue areas:
Taxation (24%) Transportation and Public Works (18%) Science, Technology, Communications (17%) Health (14%) Public Lands and Natural Resources (9%) Native Americans (6%) Armed Forces and National Security (6%) Agriculture and Food (6%)
Recent Bills
Some of Thune’s most recently sponsored bills include...
- S. 2990: Freedom from Government Competition Act of 2019
- S. 2984: A bill to amend the Internal Revenue Code of 1986 to allow for ...
- S. 2763: Filter Bubble Transparency Act
- S. 2597: LEGEND Act of 2019
- S. 2156: S Corporation Modernization Act of 2019
- S. 1948: Chronic Disease Management Act of 2019
- S. 1722: FHA Appraiser Eligibility Expansion Act
View All » | View Cosponsors »
As Assistant Senate Majority Leader, Thune may be focused on his responsibilities other than introducing legislation, such as setting the chamber’s agenda, uniting his party, and brokering deals.
Voting Record
Key Votes
Missed Votes
From Jan 2005 to Dec 2019, Thune missed 45 of 4,627 roll call votes, which is 1.0%. This is better than the median of 1.5% among the lifetime records of senators currently serving. The chart below reports missed votes over time.
We don’t track why legislators miss votes, but it’s often due to medical absenses and major life events.
Primary Sources
The information on this page is originally sourced from a variety of materials, including:
- unitedstates/congress-legislators, a community project gathering congressional information
- The House and Senate websites, for committee membership and voting records
- GPO Member Guide for the photo
- GovInfo.gov, for sponsored bills
