John Thune
Sen · Republican · SD
Where they stand
Every rated Senate member for the selected period — dots are members, the shaded band is the middle 50% of each party, the tick is the party median.
Trend vs. medians
John Thune's score per year against the Senate, party, and Congress-wide medians (rated members only).
By issue category
John Thune vs. the Republican median and the Senate median, per issue category.
Standout votes
Votes where John Thune broke from the Republican majority in the Senate.
▸Detailed score tables
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Frequently Asked Questions
What is Sen. John Thune's voting record?
Sen. John Thune (R-SD) earned a 76% ILA score for 2025, falling below the 80% benchmark for alignment with limited-government principles. Across 4 years rated, John Thune's lifetime ILA score averages 72%. John Thune serves South Dakota in the U.S. Senate.
How aligned is John Thune with limited-government principles?
John Thune earned a 76% ILA score in 2025. John Thune fell below the 80% benchmark for alignment with limited-government principles.
What is John Thune's ILA score?
John Thune has a 76% ILA score for 2025. Across 4 years rated, John Thune's lifetime average is 72%.
Where does John Thune serve?
Sen. John Thune (R-SD) serves South Dakota in the U.S. Senate as a Republican.