John Thune | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Official portrait, 2021 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Senate Majority Leader | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assumed office January 3, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Whip | John Barrasso | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Preceded by | Chuck Schumer | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| United States Senator fromSouth Dakota | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assumed office January 3, 2005 Serving with Mike Rounds | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Preceded by | Tom Daschle | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Member of theU.S. House of Representatives fromSouth Dakota'sat-large district | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| In office January 3, 1997 – January 3, 2003 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Preceded by | Tim Johnson | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Succeeded by | Bill Janklow | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Personal details | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Born | John Randolph Thune (1961-01-07)January 7, 1961 (age 64) Pierre, South Dakota, U.S. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Political party | Republican | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Spouse | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Children | 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Education | Biola University (BA) University of South Dakota (MBA) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Signature | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Website | Senate website Campaign website | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
John Randolph Thune (/ˈθuːn/THOON; born January 7, 1961) is an American politician serving as theseniorUnited States senator fromSouth Dakota, a seat he has held since 2005. ARepublican, Thune has been theSenate majority leader andSenate Republican leader since January 2025. He is in his fourth Senate term.
A South Dakota native, Thune is a graduate ofBiola University (BA) and theUniversity of South Dakota (MBA). From 1997 to 2003, he served three terms as theU.S. representative forSouth Dakota's at-large congressional district. He first ran for theU.S. Senate in2002, narrowly losing to incumbent senatorTim Johnson. In2004, Thune ran for Senate again and defeated Senate Democratic leaderTom Daschle, making Daschle the first incumbent Senate leader to lose an election since 1952. During his Senate tenure, Thune has served as the Republican chief deputywhip (2007-2009); chair of theSenate Republican Policy Committee (2009–2012); Senate Republican Conference chair, the third-ranking position in the Senate (2012–2019); majority whip (2019–2021); and minority whip (2021–2025).
In 2024, Thune was elected Senate Republican leader, succeedingMitch McConnell.
Thune was born inPierre, South Dakota, on January 7, 1961.[1] He is the son of Yvonne Patricia (née Bodine) and Harold Richard Thune.[2][3] Harold Thune was afighter pilot in thePacific theater during World War II who flew theGrumman F6F Hellcat; he was awarded theDistinguished Flying Cross after shooting down four enemy planes.[4] Harold Thune flew his missions off theUSSIntrepid.[5] Thune's paternal grandfather, Nicholas Thune, emigrated to the United States fromNorway in 1906;[5] he partnered with his brother to run a chain of hardware stores in South Dakota.[6] Nicholas Thune changed his last name to Thune from Gjelsvik because he was told by immigration officers that the name Gjelsvik was too hard to pronounce.[5] Thune's maternal grandfather was fromOntario, Canada, and his mother was born inSaskatchewan.[7][8]
Thune was a star athlete in high school,[9] active inbasketball,track, andfootball.[10][11] He graduated from Jones County High School in 1979.[1] Thune played college basketball atBiola University in California; he graduated from Biola in 1983 with aBachelor of Arts degree in business.[12][13] He received aMaster of Business Administration degree from theUniversity of South Dakota in 1984.[1]
After completing his MBA, Thune became involved in politics. He worked as a legislative aide for U.S. senatorJames Abdnor from 1985 to 1987.[14] In 1989, Thune moved to Pierre, where he served as executive director of thestate Republican Party for two years.[15] Thune was appointed Railroad Director of South Dakota byGovernorGeorge S. Mickelson and served from 1991 to 1993. From 1993 to 1996, he was executive director of the South Dakota Municipal League.[15]

Thune began his political career in 1996 by entering the race for South Dakota's lone seat in the U.S. House of Representatives.The Almanac of American Politics said that Thune "entered the 1996 race as very much an underdog."[16] His opponent in the Republican primary was sittingLieutenant GovernorCarole Hillard ofRapid City, who benefited from the support of the longtimeSouth Dakota GovernorBill Janklow. A May 1996 poll showed Hillard leading Thune by a margin of 69%–15%.[16] By relying on strong personal skills and the help of his old network of Abdnor friends, Thune won the primary, defeating Hillard 59%–41%.[17] In the general election, Thune defeated DemocratRick Weiland, a long-serving aide to U.S. SenatorTom Daschle, 58%–37%.[18]
Thune won his subsequentU.S. House races by wide margins. He was reelected in 1998 with 75% of the vote[19] and in 2000 with 73% of the vote.[20]
In 2002, after briefly considering a run for governor, Thune set his sights on the U.S. Senate. He ran against incumbent Democratic U.S. senatorTim Johnson and lost by only 524 votes (0.15%).[21] One study concluded: "While the margin of victory [for Johnson] was a mere 524 votes, getting into that winning position required a number of important factors, including Native American turnout, the ability of Johnson and his allies to more effectively use the ground war to get their message out, Thune's ineffectiveness on the air and lack of experience in winning competitive elections, low voter turnout in key Republican counties, the drought, and finally the presence of Kurt Evans. Evans, a Libertarian candidate who withdrew from the race, endorsed Thune, but remained on the ballot and siphoned away more votes from Thune than Johnson. Evans received only 3,070 votes, but that ended up being six times greater than the margin of victory."[22] Despite the close results, Thune did not contest the election.[23]
In 2004, Thune challengedTom Daschle, theUnited States Senate minority leader and leader of the SenateDemocrats. In early 2003, Daschle had unexpectedly decided not to run for president. CNN reported that the "announcement surprised even some of his closest aides, one of whom told CNN plans were being made for Daschle to announce his candidacy Saturday in his hometown ofAberdeen, South Dakota."[24]
The 2004 U.S. Senate race in South Dakota was the most expensive Senate race that year, with a total of $30 million spent,[25] and the most expensive race in South Dakota history. It was widely followed in the national media. Thune, along with Senate majority leaderBill Frist, PresidentGeorge W. Bush, and Vice PresidentDick Cheney, described Daschle as the "chief obstructionist" of Bush's agenda. "Thune was able to criticize 'Daschle for serving incompatible masters' and portray him, as Frist did when he came to South Dakota to campaign for Thune, as a partisan obstructionist and political heir to liberal icon and former SenatorGeorge McGovern of South Dakota."[26]
Daschle's critics charged the Democrat with usingfilibusters to block confirmation of several of Bush's nominees to the federal judiciary and of being out of step with South Dakota voters on other political and social issues: "The GOP had targeted Daschle, the Senate minority leader, claiming he had been the chief obstruction to President Bush on such issues as tax cuts, judicial nominees and the war in Iraq."[27]
On November 2, 2004, Thune defeated Daschle by 4,508 votes,[28] winning 51% of the vote.[29] Daschle's loss was the first ousting of an incumbent floor leader since 1952, when Arizona SenatorErnest McFarland lost toBarry Goldwater.[30] The loss made Daschle "the first Senate party leader in more than five decades to be voted out of office".[31]
South Dakota nativeTom Brokaw commented that Thune "ran a very strong campaign" to win the 2004 race.[32]University of South Dakota political scientist Bill Richardson said, "motivated John Thune supporters went to the polls in large numbers, part of a massive South Dakota turnout. Unofficial results show nearly 80 percent of registered voters cast ballots."[33] After Thune defeated Daschle, many Republicans regarded him as a "rising star with unlimited political potential".[34]
Thune was reelected without any opposition in either the primary or general election.[35][36]Scott Heidepriem, theSouth Dakota Senate minority leader and a Democraticcandidate forGovernor of South Dakota, said, "We just concluded that John Thune is an extremely popular senator who is going to win another term in the Senate."[37] The conservative publicationTownhall commented that the absence of a Democratic candidate in the election marked "the first time in the state's modern history in which a major party has failed to field a Senate candidate".[38]
Thune faced Democratic nominee Jay Williams, chair of theYankton County Democratic Party.[39] On November 8, he defeated Williams with 71.8% of the vote.[40]
Thune "drew the wrath ofDonald Trump for pushing back on the former president's false claims" that he won the 2020 presidential election.[41] Trump called upon South Dakota governorKristi Noem to launch a primary challenge to Thune in the 2022 U.S. Senate election in South Dakota; Noem declined.[42] Thune also received negative feedback from Trump supporters for his position on the 2020 election.[43] While Thune seriously considered retiring from the Senate,[44][43] he announced in January 2022 that he would seek reelection to a fourth term.[45] He was reelected with 69.6% of the vote, defeating Democratic nominee Brian Bengs.[46]

On December 6, 2006, Thune was chosen by Senate RepublicanwhipTrent Lott to be the GOP'schief deputy whip.[47] After briefly serving asRepublican Conference vice-chairman,[1] Thune became chairman of theRepublican Policy Committee in June 2009.[48] The post was the fourth-ranking position in the Senate.[49]

In March 2009, Thune was one of 14 senators to vote against a procedural move that essentially guaranteed a major expansion of a national service corps. The Congressional Budget Office estimated that the bill would cost at least $418 million in the fiscal year 2010 and $5.7 billion from 2010 to 2014.[50] He was electedRepublican Conference chairman in 2011, taking office in January 2012.[51] The conference chairman is the third-ranking position in the Senate. In late 2011, theMitchell Daily Republic wrote: "Thune's elevation to the No. 3 spot makes him the highest-ranking Republican senator in South Dakota history. Thune has served as chairman of the Republican Policy Committee from 2009 until the present time and was vice chairman of the Republican Conference from 2008 to 2009 and the Republican chief deputy whip from 2006 to 2008."[52]
Thune's emergence as a conservative voice in the Senate gained him a profile in the conservative magazineThe Weekly Standard that called him an exceptional politician who, unlike many of his colleagues, could communicate traditional conservatism, making him a popular alternative to theTea Party.[11]

In June 2018, Thune called on Special CounselRobert Mueller to "start winding" down his investigation into Russian interference in the 2016 presidential election.[53] Thune is South Dakota's senior U.S. senator.[54] The Senate Republican Conference selected him as majority whip for the116th Congress, succeedingJohn Cornyn, who was term-limited in the position.[55] He served as minority whip in the117th Congress[54] and continued to serve as minority whip in the118th Congress.[56]
119th United States Congress committee assignments[57]
Caucus membership

On November 13, 2024, Thune won theSenate Republican Conference leadership election on the second ballot to become the nextSenate majority leader. Thune was chosen to replace the retiringMitch McConnell following theNovember 2024 U.S. elections, in which Republicans carried the Senate. The other candidates wereRick Scott andJohn Cornyn.[59][60] The election occurred in a closed-door Republican caucus setting. Thune reportedly defeated Cornyn by a vote of 29-24.[61]
On January 7, 2025, Thune spoke atJimmy Carter's funeral service alongside Vice PresidentKamala Harris and House speakerMike Johnson.[62]
Thune is the first Senate party leader to have first taken office as a senator in the 21st century.[63]
Politico has called Thune "unambiguouslyconservative but temperamentally moderate", a "collaborator instead of a combatant", and aninstitutionalist.[64]
In March 2019, Thune was one of 38 senators to sign a letter toAgriculture SecretarySonny Perdue warning that dairy farmers "have continued to face market instability and are struggling to survive the fourth year of sustained low prices" and urging his department to "strongly encourage these farmers to consider the Dairy Margin Coverage program."[65][66]
In May 2020, a group of Senate Republicans planned to introduce a privacy bill that would regulate the dataCOVID-19 contact-tracing apps collect. SenatorRoger Wicker said the legislation would "hold businesses accountable to consumers if they use personal data to fight the COVID-19 pandemic". Thune said the act would permit the creation of "platforms that could trace the virus and help flatten the curve and stop the spread—and maintaining privacy protections for U.S. citizens".[67]
In December 2017, Thune was one of six senators to sign a letter to Senate Majority LeaderMitch McConnell and Minority LeaderChuck Schumer requesting their "help in ensuring the long-term sustainability of the340B program", a rule mandating that drug companies give discounts to health-care organizations presently serving large numbers of low-income patients.[68]
In January 2019, Thune introduced legislation to repeal theestate tax, which applies to couples with estates above $22.4 million.[69]
In February 2019, Thune was one of 20 senators to sponsor the Employer Participation in Repayment Act, enabling employers to contribute up to $5,250 to their employees' student loans.[70]
On March 6, 2014, Thune introduced theReliable Home Heating Act (S. 2086; 113th Congress).[71] The bill would require theFederal Motor Carrier Safety Administration (FMCSA) to exempt motor carriers that transport home heating oil from numerous federal safety regulations if the governor of a state declares astate of emergency caused by a shortage of residential heating fuel.[72] The bill also would require theEnergy Information Administration (EIA) to notify states if certain petroleum reserves fall below historical averages.[72][73]
In March 2019, Thune joined all Senate Republicans, three Democrats, andAngus King in voting against theGreen New Deal resolution.[74] Arguing against its implementation, Thune said the resolution would "absolutely be devastating and disastrous" for the agriculture economy both in South Dakota and across the US.[75]
In May 2016, Thune sentFacebook a letter requesting details on how it operates its Trending Topics feature,[76] after aGizmodo article cited anonymous sources (claiming to be former Facebook employees) who alleged systemic anti-conservative political bias in how material is selected for display in the list.[77] Some commentators criticized Thune's letter as an example of government overreach against a private company.[78][79] Facebook denied the bias allegations.[80] Thune thanked Facebook in a public statement.[81]
In November 2006, Thune said he believed the U.S. could win theIraq War through stability. He elaborated, "It's making sure that Iraq can't be a staging ground for terrorist attacks against its neighbors in the region or, worse yet, against the United States." Thune also espoused the position that the Bush administration and a majority of members of Congress would grant military commanders the final decision on when to reduce U.S. military forces there.[82] In July 2008, Thune said that the Bush administration's moves in Iraq had been a "remarkable success", noting civilian casualties had been reduced by 80 percent, and charged Democratic presidential candidate and SenatorBarack Obama with failing "to acknowledge the basic fact of the success and result and progress and gains that have been made as a result of the surge."[83]
In December 2010, Thune was one of 26 senators who voted against the ratification ofNew START,[84] a nuclear arms reduction treaty between the United States and theRussian Federation obliging both countries to have no more than 1,550 strategic warheads and 700 launchers deployed during the next seven years, and providing for a continuation of on-site inspections that halted whenSTART I expired the previous year. It was the first arms treaty with Russia in eight years.[85]
In November 2012, Thune andChuck Grassley requested thatTreasury SecretaryTimothy Geithner provide a review of the Chinese company Wanxiang Group's plan to acquire bankrupt battery maker A123, arguing that the transaction should be reviewed to ensure that U.S. military and taxpayer interests in A123 were protected.[86] In October 2018, Thune requested staff briefings about aBloomberg report that theChinese government had implanted malicious hardware into server motherboards, writing charges that "the U.S. hardware supply chain has been purposely tampered with by a foreign power [and] must be taken seriously."[87]

In September 2016, Thune was one of 34 senators to sign a letter toSecretary of StateJohn Kerry advocating that the United States use "all available tools to dissuade Russia from continuing its airstrikes in Syria" from anIranian airbase nearHamadan and stating that the airstrikes violated "a legally binding Security Council Resolution" on Iran.[88] In June 2017, Thune co-sponsored theIsrael Anti-Boycott Act (s. 720), which would have made it a federal crime, punishable by a maximum sentence of 20 years' imprisonment,[89] to encourage or participate in boycotts against Israel.[90] In March 2018, Thune voted to table a resolution spearheaded byBernie Sanders,Chris Murphy, andMike Lee that would have required President Trump to withdraw American troops either in or influencingYemen within the next 30 days unless they were combatingAl-Qaeda.[91]

After the2022 Russian invasion of Ukraine, Thune said that theUkrainian people could not sustain the war without military support from the U.S. and other countries. He called on European partners to make robust contributions to help Ukraine.[92] In 2025, Thune supportedsecondary sanctions against Russia that would impose 500%tariffs on countries that buyRussian oil,natural gas,uranium and other exports.[93]
Thune advocates gun rights, having sponsored legislation that would allow individuals withconcealed carry permits to use such permits as a valid permit in other states.[94] He also voted against banning standard-capacity magazines of over 10 rounds.[95][96] On October 3, 2017, Thune became the center of media attention for saying in response tothe mass shooting in Las Vegas: "It sounds like [the shooter] usedconversion kits and other things, you know, to make the weapons more lethal. We'll look at the facts when we get them all in here. I think a lot of us want to do everything we can to prevent tragedies like that from happening again. You know, it's an open society. And when somebody does what he wants to do it's going to be hard to prevent anything. But I think people are going to have to take steps in their own lives to take precautions. To protect themselves. And in situations like that, you know, try to stay safe. As somebody said, get small."[96][97]
Thune was part of the group of 13 senators that drafted theSenate version of theAmerican Health Care Act of 2017.[98] Released on June 22, 2017, the bill was known as the Better Care Reconciliation Act of 2017.[99] In July, Thune said that Republicans would continue trying to repeal the Affordable Care Act regardless of whether that month's effort collapsed: "We are going to vote to repeal and replace Obamacare. It's not a question of if, it's a question of when."[100] On July 25, the Senate voted down The Better Care Reconciliation Act, 43-57.[101]
In March 2016, about seven months before the next presidential election, Thune declared his opposition to considering President Obama's nominee to the Supreme Court, saying that "the next president should make this lifetime appointment to the Supreme Court" because the "American people deserve to have their voices heard on the nomination of the next Supreme Court justice". In September 2020, less than two months before the next presidential election, Thune supported an immediate vote on Trump's nominee to fill the Supreme Court vacancy caused by JusticeRuth Bader Ginsburg's death.[102]
Thune was one of 20 senators to vote against theSocial Security Fairness Act.[103]
In January 2018 Thune was one of 36 Republican senators to sign a letter to President Trump requesting he preserve theNorth American Free Trade Agreement by modernizing it for the economy of the 21st century.[104] In July 2018, as the Trump administration pushed for aid for agricultural producers affected by retaliatory tariffs, Thune said the plan offered a "false and short-term" sense of security and cited the importance of fair and free trade for South Dakota's farmers.[105]
In December 2020, Thune said he opposed any further efforts to challenge the 2020 presidential election results. He argued that such efforts would "go down like a shot dog" in the Senate.[106][107] Then-PresidentDonald Trump, who contended that the election results were illegitimate and that he had defeated Democratic nomineeJoe Biden, responded by attacking Thune on Twitter[108] and publicly calling on South Dakota governorKristi Noem to challenge him in a 2022 U.S. Senate primary.[109] Thune "directly denounced Trump for attempting to overturn the results of the 2020 election and his role in the January 6, 2021, riot at the Capitol. He called his involvement and that of the rioters "inexcusable".[110]
Thunevoted to certify the 2020 presidential election results.[111]
Before the selection ofSarah Palin, Thune was mentioned as a possible vice-presidential pick for Republican nomineeJohn McCain in the 2008 presidential election. Thune publicly played down the speculation.[112]
Significant speculation arose regarding a potential 2012 presidential bid by Thune.[113][114][115] He was encouraged to run by Senate minority leaderMitch McConnell[116] andSouth Carolina SenatorLindsey Graham, who called him "a consensus builder".[117] TheWall Street Journal wrote that Thune had "name ID in the parts of the first caucus state of Iowa that get neighboring South Dakota media, a $6.9 million bank account he could use for a presidential run, and a national fundraising list of 100,000 names from his race against [former Senator Tom] Daschle."[118] DNC executive directorJennifer O'Malley Dillon publicly said that in a field of generally flawed Republican potential presidential candidates, Thune was the one she feared.[119] Multiple commentators asserted that a Thune presidential candidacy would be helped by his personal appearance.[120] On February 22, 2011, Thune announced he would not run for president in 2012.[121]
During the summer of 2012, theUSA Today reported that Thune was onMitt Romney's short list as a potential running mate.Wisconsin CongressmanPaul Ryan was selected instead.[122]
Despite some speculation, Thune declined to seek the presidency in 2016, saying that his "window ... might have closed in 2012".[123]
| South Dakota's at-large Congressional district Republican primary election, 1996 | |||
|---|---|---|---|
| Party | Candidate | Votes | % |
| Republican | 41,322 | 59.49 | |
| Republican | Carole Hillard | 28,139 | 40.51 |
| Year | Democratic | Votes | Pct | Republican | Votes | Pct | 3rd Party | Party | Votes | Pct | 3rd Party | Party | Votes | Pct | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | Rick Weiland | 119,547 | 37% | 186,393 | 58% | Stacey L. Nelson | Independent | 10,397 | 3% | Kurt Evans | Independent | 6,866 | 2% | ||||||
| 1998 | Jeff Moser | 64,433 | 25% | 194,157 | 75% | ||||||||||||||
| 2000 | Curt Hohn | 78,321 | 25% | 231,083 | 73% | Brian Lerohl | Libertarian | 5,357 | 2% |
| Year | Democratic | Votes | Pct | Republican | Votes | Pct | 3rd Party | Party | Votes | Pct | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2002 | 167,481 | 50% | John R. Thune | 166,949 | 49% | Kurt Evans | Libertarian | 3,071 | 1% | |||||
| 2004 | Tom Daschle (incumbent) | 193,340 | 49% | 197,848 | 51% | |||||||||
| 2010 | 227,947 | 100% | ||||||||||||
| 2016 | Jay Williams | 104,140 | 28% | 265,516 | 72% | |||||||||
| 2022 | Brian Bengs | 91,007 | 26.15% | 242,316 | 69.63% | Tamara Lesnar | Libertarian | 14,697 | 4.22% |

Thune is anevangelical Christian.[125] He married Kimberley Weems ofDoland, South Dakota in 1984.[115] The Thunes have two daughters. As of 2018, they had five grandchildren.[126]
Thune is physically active and has frequently competed in running events. A 2012Runner's World Magazine feature called Thune "the fastest man in Congress since 2009."[127]
Thune is a fan of the bandsStyx,Journey,Boston, and theDoobie Brothers.[128]
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