{{Short description|none}} {{Use American English|date=March 2019}} {{Use mdy dates|date=August 2019}} {{multiple image | perrow = 2 | total_width = 280 | header = Party leaders of the U.S. Senate | caption_align = center | image3 = Chuck Schumer official photo (cropped).jpg | caption3 = Minority Leader<br />Chuck Schumer (D-NY) | alt3 = Schumer | image4 = Dick Durbin 2022 official portrait (cropped) 2.jpg | caption4 = Minority Whip<br />Dick Durbin (D-IL) | alt4 = Durbin | image2 = John Barrasso official portrait 112th Congress.jpg | caption2 = Majority Whip<br />John Barrasso (R-WY) | alt2 = Barrasso | image1 = John Thune 117th Congress portrait (cropped).jpg | caption1 = Majority Leader<br />John Thune (R-SD) | alt1 = Thune | align = | direction = }} {{United States Senate}}

The positions of '''majority leader''' and '''minority leader''' are held by two United States senators and people of the party leadership of the United States Senate. They serve as chief spokespersons for their respective political parties, holding the majority and the minority in the chamber. They are each elected to their posts by the senators of their party caucuses: the Senate Democratic Caucus and the Senate Republican Conference.

By Senate precedent, the presiding officer gives the majority leader priority in obtaining recognition to speak on the floor. The majority leader serves as the chief representative of their party in the Senate and is considered the most powerful member of the chamber. They also serve as the chief representative of their party in the entire Congress if the House of Representatives, and thus the office of the speaker of the House, is controlled by the opposition party. The Senate's executive and legislative business is also managed and scheduled by the majority leader.

The '''assistant majority leader''' and '''assistant minority leader''' of the United States Senate, commonly called whips, are the second-ranking members of each party's leadership. The main function of the majority and minority whips is to gather votes of their respective parties on major issues. As the second-ranking members of Senate leadership, if there is no floor leader present, the whip may become acting floor leader.

==Existing floor leaders== The Senate of the 119th Congress is composed in 2025 of 53 Republicans, 45 Democrats, and 2 independents; both the independents caucus with the Democrats.<ref>{{Cite web |last=Ballotpedia |date=May 30, 2026 |title=United States Senate |url=https://ballotpedia.org/United_States_Senate |url-status=live |access-date=2026-05-30 |website=Ballotpedia |language=en}}</ref>

The current Majority Leader is Senator John Thune (Republican) of South Dakota, and the current Minority Leader is Senator Chuck Schumer (Democrat) of New York.<ref>{{cite news |title=Democrats Take Narrow Control of US Senate as Three New Members Sworn In |agency=Reuters |url=https://www.voanews.com/a/usa_us-politics_democrats-take-narrow-control-us-senate-three-new-members-sworn/6200997.html |access-date=February 25, 2021 |publisher=VOA |date=January 20, 2021 |language=en}}</ref> The assistant leaders, or whips, are Senators John Barrasso (Republican) of Wyoming and Dick Durbin (Democrat) of Illinois.<ref>{{Cite web |title=U.S. Senate: About Parties and Leadership {{!}} Party Whips |url=https://www.senate.gov/about/parties-leadership/party-whips.htm |access-date=2026-05-30 |website=www.senate.gov}}</ref>

==History== At first a ''Senate leader'' was an informal position usually an influential committee chairman, or a person of great eloquence, seniority, or wealth, such as Daniel Webster and Nelson Aldrich. By at least 1850, parties in each chamber of Congress began naming chairs, and while conference and caucus chairs carried very little authority, the Senate party floor leader positions arose from the position of conference chair.<ref>{{cite report|last=Heitshusen|first=Valerie|title=Party Leaders in the United States Congress, 1789–2019|publisher=Congressional Research Service|page=i|date=September 4, 2019|url=https://sgp.fas.org/crs/misc/RL30567.pdf |archive-url=https://web.archive.org/web/20210924144412/https://sgp.fas.org/crs/misc/RL30567.pdf |archive-date=2021-09-24 |url-status=live|access-date=April 16, 2022}}</ref>

Senate Democrats began electing their floor leaders in 1920 while they were in the minority. John W. Kern was a Democratic senator from Indiana. While the title was not official, the Senate website identifies Kern as the first Senate party leader, serving in that capacity from 1913 through 1917 (and in turn, the first Senate Democratic leader), while serving concurrently as chairman of the Senate Democratic Caucus.<ref>{{cite web |title=Majority and Minority Leaders |url=https://www.senate.gov/artandhistory/history/common/briefing/Majority_Minority_Leaders.htm |website=senate.gov |publisher=United States Senate |access-date=14 March 2020}}</ref>

In 1925, the Republicans (who were in the majority at the time) also adopted this language when Charles Curtis became the first (official) majority leader,<ref>{{cite web |title=Senate Leader |url=https://www.senate.gov/artandhistory/history/common/generic/People_Leaders_Curtis.htm |website=senate.gov |publisher=United States Senate |access-date=14 March 2020}}</ref> although his immediate predecessor Henry Cabot Lodge is considered the first (unofficial) Senate majority leader. However, despite this new, formal leadership structure, the Senate leader initially had virtually no power. Since the Democrats were fatally divided into northern liberal and southern conservative blocs, the Democratic leader had even less power than his title suggested.

Joseph T. Robinson of Arkansas, the Democratic leader from 1923 to 1937, saw it as his responsibility not to lead the Democrats, but to work the Senate for the president's benefit, no matter who the president was. When Coolidge and Hoover were president, he assisted them in passing Republican legislation. Robinson helped end government operation of Muscle Shoals, helped pass the Hoover Tariff, and stymied a Senate investigation of the Power Trust. Robinson switched his own position on a drought relief program for farmers when Hoover made a proposal for a more modest measure. Alben Barkley called Robinson's cave-in "the most humiliating spectacle that could be brought about in an intelligent legislative body." When Franklin Roosevelt became president, Robinson followed the new president as loyally as he had followed Coolidge and Hoover. Robinson passed bills in the Hundred Days so quickly that Will Rogers joked "Congress doesn't pass legislation any more, they just wave at the bills as they go by.{{Sfn|Caro|2002|pp=354–355 }} Robinson, who had spent long hours studying Senate procedures and legislative issues, would in fact yield more influence than any of his party leader predecessors would, and would even expand and better define the power of a party leader's Senate Majority Leader post.<ref>{{cite news|url=https://www.politico.com/story/2014/07/senator-joseph-robinson-joseph-dies-july-14-1937-108849|title= Sen. Robinson dies, July 14, 1937|first=Andrew|last=Glass|publisher=Politico|date=July 14, 2014|accessdate=February 2, 2026}}</ref><ref>{{cite web|url=https://www.senate.gov/about/parties-leadership/death-of-joseph-robinson.htm|title=Death of a Majority Leader|publisher=senate.gov|accessdate=February 2, 2026}}</ref>

In 1937, the rule giving majority leader right of first recognition was created. With the addition of this rule, the Senate majority leader enjoyed far greater control over the agenda of which bills to be considered on the floor.<ref name=":0">{{Cite web |last=Gamm |first=Gerald |last2=Smith |first2=Steven S. |date=May 21, 2025 |title=The Emergence of Senate Party Leadership, 1913-1937: The Case of the Democrats |url=https://www.vanderbilt.edu/csdi/events/Gamm_Smith.pdf |url-status=live |access-date=May 30, 2026 |website=Vanderbilt University}}</ref>

During Lyndon B. Johnson's tenure as Senate leader, the leader gained new powers over committee assignments.<ref name="CaroSenate21">{{Cite book |last=Caro |first=Robert |title=Master of the Senate: The Years of Lyndon Johnson |title-link=Master of the Senate|publisher=Alfred A. Knopf |year=2002 |isbn=0-394-52836-0 |location=New York |chapter=22. The Whole Stack}}</ref>

==Senatorial role of the vice president==

The United States Constitution designates the vice president of the United States as president of the Senate. The Constitution also calls for a president pro tempore, to serve as the presiding officer when the president of the Senate (the vice president) is absent.<ref>{{Cite web |title=United States of America 1789 (rev. 1992) Constitution - Constitute |url=https://www.constituteproject.org/constitution/United_States_of_America_1992 |access-date=2026-05-30 |website=www.constituteproject.org |language=en}}</ref>

In practice, neither the vice president nor the president pro tempore—customarily the most senior (longest-serving) senator in the majority party—actually presides over the Senate on a daily basis; that task is given to junior senators of the majority party.<ref>{{Cite web |title=Senate Republican Leadership Positions |url=https://www.congressionalinstitute.org/senate-republican-leadership-positions/ |access-date=2026-05-30 |website=Congressional Institute |language=en-US}}</ref> Since the vice president may be of a different party from the majority and is not a Senate member subject to discipline, the rules of procedure of the Senate give the vice president no power beyond the presiding role. For these reasons, it is the majority leader who, in practice, manages the Senate.<ref name=":0" /> This is in contrast to the House of Representatives, where the elected speaker of the House has a great deal of discretionary power and generally presides over votes on legislative bills.<ref>{{Cite web |title=Leadership in Congress: It's a Party Matter [ushistory.org] |url=https://www.ushistory.org/gov/6b.asp |access-date=2026-05-30 |website=www.ushistory.org}}</ref>

== Powers of the majority leader == Under a long-standing Senate precedent, motions or amendments by the majority leader are granted precedence over other motions by other senators. The majority leader can therefore make at any time a motion to proceed to the consideration of a bill on the Senate Calendar (which contains almost exclusively bills which have been reported by the committee they were assigned to); a motion to proceed may be agreed to either by unanimous consent or through the invocation of cloture. Conventionally, no senator other than the majority leader introduces motions to proceed, although every senator is theoretically allowed to. In addition, the majority leader can block consideration of amendments through a practice known as "filling the tree", and decides which members will fill each of the committee seats reserved to the majority party; members of committees are therefore often prone to following the instructions of the majority leader, and rarely place bills on the Senate Calendar without the latter's consent.<ref>{{Cite web|url=https://www.legbranch.org/2018-8-1-what-makes-senate-leaders-so-powerful/|title=What makes Senate leaders so powerful?|date=August 2018 }}</ref>

==List of party leaders== The Democratic Party first selected a leader in 1920. The Republican Party first formally designated a leader in 1925.<ref>{{cite web|url=https://www.senate.gov/artandhistory/history/common/briefing/Majority_Minority_Leaders.htm |access-date=June 27, 2019 |title=Majority and Minority Leaders |publisher=United States Senate}}</ref>

{|class="wikitable sortable" style="text-align:center" |- !scope="col" |Congress !scope="col" |Dates !scope="col" |Democratic whip !scope="col" |Democratic leader !scope="col" |Majority !scope="col" |Republican leader !scope="col" |Republican whip |- !scope="row" |{{USCongressOrdinal|63}} |{{Date table sorting|May 28, 1913}} –<br/>March 4, 1915 |rowspan=5 {{party shading/Democratic}} data-sort-value="Lewis J. Hamilton" |J. Hamilton Lewis<br />{{resize|(Illinois)}} |rowspan=6 data-sort-value="" |None |rowspan=5 {{party shading/Democratic}} |Democratic<br/>← majority |rowspan=5 data-sort-value="" |None |rowspan=2 data-sort-value="" |None

|- !scope="row" rowspan=3|{{USCongressOrdinal|64}} |{{Date table sorting|March 4, 1915}} –<br/>December 6, 1915

|- |{{Date table sorting|December 6, 1915}} –<br/>December 13, 1915 |{{party shading/Republican}} data-sort-value="Wadsworth James Wolcott Jr" |James Wadsworth<br />{{resize|(New York)}}

|- |{{Date table sorting|December 13, 1915}} –<br/>March 4, 1917 |rowspan=7 {{party shading/Republican}} data-sort-value="Curtis Charles" |Charles Curtis<br />{{resize|(Kansas)}}

|- !scope="row" |{{USCongressOrdinal|65}} |{{Date table sorting|March 4, 1917}} –<br/>March 4, 1919

|- !scope="row" rowspan=2|{{USCongressOrdinal|66}} |{{Date table sorting|March 4, 1919}} –<br/>April 27, 1920 |rowspan=8 {{party shading/Democratic}} data-sort-value="Gerry Peter G." |Peter Gerry<br />{{resize|(Rhode Island)}} |rowspan=10 {{party shading/Republican}} |Republican<br/>majority → |rowspan=5 {{party shading/Republican}} data-sort-value="Lodge Henry Cabot" |Henry Cabot Lodge<br/>{{resize|(Massachusetts, ''Unofficial'')}}

|- |{{Date table sorting|April 27, 1920}} –<br/>March 4, 1921 |rowspan=3 {{party shading/Democratic}} data-sort-value="Underwood Oscar" |Oscar Underwood<br />{{resize|(Alabama)}}

|- !scope="row" |{{USCongressOrdinal|67}} |{{Date table sorting|March 4, 1921}} –<br/>March 4, 1923

|- !scope="row" rowspan=3|{{USCongressOrdinal|68}} |{{Date table sorting|March 4, 1923}} –<br/>December 3, 1923

|- |{{Date table sorting|December 3, 1923}} –<br/>November 9, 1924 |rowspan=9 {{party shading/Democratic}} data-sort-value="Robinson Joseph Taylor" |Joseph T. Robinson<br />{{resize|(Arkansas)}}

|- |November 9, 1924 –<br/>March 4, 1925 |{{party shading/Republican}} data-sort-value="Curtis Charles" |Charles Curtis<br/>{{resize|(Kansas, ''Acting'')}} |{{party shading/Republican}} data-sort-value="Jones Wesley Livsey" |Wesley Jones<br/>{{resize|(Washington, ''Acting'')}}

|- !scope="row" |{{USCongressOrdinal|69}} |{{Date table sorting|March 4, 1925}} –<br/>March 4, 1927 |rowspan=2 {{party shading/Republican}} data-sort-value="Curtis Charles" |Charles Curtis<br/>{{resize|(Kansas)}} |rowspan=2 {{party shading/Republican}} data-sort-value="Jones Wesley Livsey Jones" |Wesley Jones<br/>{{resize|(Washington)}}

|- !scope="row" |{{USCongressOrdinal|70}} |{{Date table sorting|March 4, 1927}} –<br/>March 4, 1929

|- !scope="row" |{{USCongressOrdinal|71}} |{{Date table sorting|March 4, 1929}} –<br/>March 4, 1931 |rowspan=2 {{party shading/Democratic}} data-sort-value="Sheppard Morris" |Morris Sheppard<br/>{{resize|(Texas)}} |rowspan=2 {{party shading/Republican}} data-sort-value="Watson James Eli" |James E. Watson<br/>{{resize|(Indiana)}} |rowspan=2 {{party shading/Republican}} data-sort-value="Fess Simeon D." |Simeon Fess<br/>{{resize|(Ohio)}}

|- !scope="row" |{{USCongressOrdinal|72}} |{{Date table sorting|March 4, 1931}} –<br/>March 4, 1933

|- !scope="row" |{{USCongressOrdinal|73}} |{{Date table sorting|March 4, 1933}} –<br/>January 3, 1935 |rowspan=5 {{party shading/Democratic}} data-sort-value="Lewis J. Hamilton" |J. Hamilton Lewis<br/>{{resize|(Illinois)}} |rowspan=11 {{party shading/Democratic}} |Democratic<br/>← majority |rowspan=6 {{party shading/Republican}} data-sort-value="McNary Charles L." |Charles L. McNary<br/>{{resize|(Oregon)}} |{{party shading/Republican}} data-sort-value="Hebert Felix" |Felix Hebert<br/>{{resize|(Rhode Island)}}

|- !scope="row" |{{USCongressOrdinal|74}} |{{Date table sorting|January 3, 1935}} –<br/>January 3, 1937 |rowspan=7 data-sort-value="" |None{{efn |name="No_GOP_whip" |No Republican whips were appointed from 1935 to 1944 since the Senate had only 17 Republicans following the landslide reelection of President Franklin D. Roosevelt in 1936. Accordingly, the minutes of the Republican Conference for the period state: "On motion of Senator Hastings, duly seconded and carried, it was agreed that no Assistant Leader or Whip be elected but that the chairman be authorized to appoint Senators from time to time to assist him in taking charge of the interests of the minority." A note attached to the conference minutes added: "The chairman of the conference, Senator McNary, apparently appointed Senator Austin of Vermont as assistant leader in 1943 and 1944, until the conference adopted Rules of Organization."<ref>[http://senate.gov/artandhistory/history/common/briefing/Party_Whips.htm Party Whips] {{webarchive|url=https://web.archive.org/web/20100309024732/https://www.senate.gov/artandhistory/history/common/briefing/Party_Whips.htm |date=March 9, 2010 }}, via Senate.gov</ref>}}

|- !scope="row" rowspan=2|{{USCongressOrdinal|75}} |{{Date table sorting|January 3, 1937}} –<br/>July 14, 1937 |- |July 14, 1937 –<br/>January 3, 1939 |rowspan=9 {{party shading/Democratic}} data-sort-value="Barkley Alben W." |Alben W. Barkley<br/>{{resize|(Kentucky)}} |- !scope="row" rowspan=3|{{USCongressOrdinal|76}} |January 3, 1939 –<br/>April 9, 1939 |-

|April 9, 1939 –<br/>January 3, 1940 |rowspan=2 {{party shading/Democratic}} data-sort-value="Minton Sherman" |Sherman Minton<br/>{{resize|(Indiana)}} |- |January 3, 1940 –<br/>January 3, 1941 |{{party shading/Republican}} data-sort-value="Austin Warren" |Warren Austin<br/>{{resize|(Vermont, ''Acting'')}} |- !scope="row" |{{USCongressOrdinal|77}} |{{Date table sorting|January 3, 1941}} –<br/>January 3, 1943 |rowspan=4 {{party shading/Democratic}} data-sort-value="Hill J. Lister" |J. Lister Hill<br/>{{resize|(Alabama)}} |rowspan=2 {{party shading/Republican}} data-sort-value="McNary Charles L." |Charles L. McNary<br/>{{resize|(Oregon)}} |- !scope="row" rowspan=2|{{USCongressOrdinal|78}} |{{Date table sorting|January 3, 1943}} –<br/>February 25, 1944 |rowspan=4 {{party shading/Republican}} data-sort-value="Wherry Kenneth" |Kenneth Wherry<br/>{{resize|(Nebraska)}} |- |February 25, 1944 –<br/>January 3, 1945 |{{party shading/Republican}} data-sort-value="White Wallace H. Jr." |Wallace H. White<br/>{{resize|(Maine, ''Acting'')}} |- !scope="row" |{{USCongressOrdinal|79}} |{{Date table sorting|January 3, 1945}} –<br/>January 3, 1947 |rowspan=2 {{party shading/Republican}} data-sort-value="White Wallace H. Jr.]]" |Wallace H. White<br/>{{resize|(Maine)}}

|- !scope="row" |{{USCongressOrdinal|80}} |{{Date table sorting|January 3, 1947}} –<br/>January 3, 1949 |{{party shading/Democratic}} data-sort-value="Lucas Scott W." |Scott W. Lucas<br/>{{resize|(Illinois)}} |{{party shading/Republican}} |Republican<br/>majority →

|- !scope="row" |{{USCongressOrdinal|81}} |{{Date table sorting|January 3, 1949}} –<br/>January 3, 1951 |{{party shading/Democratic}} data-sort-value="Myers Francis J." |Francis Myers<br/>{{resize|(Pennsylvania)}} |{{party shading/Democratic}} data-sort-value="Lucas Scott W." |Scott W. Lucas<br/>{{resize|(Illinois)}} |rowspan=3 {{party shading/Democratic}} |Democratic<br/>← majority |rowspan=2 {{party shading/Republican}} data-sort-value="Wherry Kenneth S." |Kenneth S. Wherry<br/>{{resize|(Nebraska)}} |rowspan=6 {{party shading/Republican}} data-sort-value="Saltonstall Leverett" |Leverett Saltonstall<br/>{{resize|(Massachusetts)}}

|- !scope="row" rowspan=2|{{USCongressOrdinal|82}} |{{Date table sorting|January 3, 1951}} –<br/>January 3, 1952 |rowspan=2 {{party shading/Democratic}} data-sort-value="Johnson Lyndon B." |Lyndon B. Johnson<br/>{{resize|(Texas)}} |rowspan=2 {{party shading/Democratic}} data-sort-value="McFarland Ernest" |Ernest McFarland<br/>{{resize|(Arizona)}}

|- |{{Date table sorting|January 3, 1952}} –<br/>January 3, 1953 |{{party shading/Republican}} data-sort-value="Bridges Styles" |Styles Bridges<br/>{{resize|(New Hampshire)}}

|- !scope="row" rowspan=2|{{USCongressOrdinal|83}} |{{Date table sorting|January 3, 1953}} –<br/>July 31, 1953 |rowspan=3 {{party shading/Democratic}} data-sort-value="Clements Earle" |Earle Clements<br/>{{resize|(Kentucky)}} |rowspan=5 {{party shading/Democratic}} data-sort-value="Johnson Lyndon B." |Lyndon B. Johnson<br/>{{resize|(Texas)}} |rowspan=2 {{party shading/Republican}} |Republican<br/>majority → |{{party shading/Republican}} data-sort-value="Taft Robert A." |Robert A. Taft<br/>{{resize|(Ohio)}}

|- |{{Date table sorting|August 3, 1953}} –<br/>January 3, 1955 |rowspan=3 {{party shading/Republican}} data-sort-value="Knowland William" |William Knowland<br/>{{resize|(California)}}

|- !scope="row" |{{USCongressOrdinal|84}} |{{Date table sorting|January 3, 1955}} –<br/>January 3, 1957 |rowspan=16 {{party shading/Democratic}} |Democratic<br/>← majority

|- !scope="row" |{{USCongressOrdinal|85}} |{{Date table sorting|January 3, 1957}} –<br/>January 3, 1959 |rowspan=2 {{party shading/Democratic}} data-sort-value="Mansfield Mike" |Mike Mansfield<br/>{{resize|(Montana)}} |{{party shading/Republican}} data-sort-value="Dirksen Everett" |Everett Dirksen<br/>{{resize|(Illinois)}}

|- !scope="row" |{{USCongressOrdinal|86}} |{{Date table sorting|January 3, 1959}} –<br/>January 3, 1961 |rowspan=6 {{party shading/Republican}} data-sort-value="Dirksen Everett" |Everett Dirksen<br/>{{resize|(Illinois)}} |rowspan=5 {{party shading/Republican}} data-sort-value="Kuchel Thomas" |Thomas Kuchel<br/>{{resize|(California)}}

|- !scope="row" |{{USCongressOrdinal|87}} |{{Date table sorting|January 3, 1961}} –<br/>January 3, 1963 |rowspan=2 {{party shading/Democratic}} data-sort-value="Humphrey Hubert" |Hubert Humphrey<br/>{{resize|(Minnesota)}} |rowspan=9 {{party shading/Democratic}} data-sort-value="Mansfield Mike" |Mike Mansfield<br/>{{resize|(Montana)}}

|- !scope="row" |{{USCongressOrdinal|88}} |{{Date table sorting|January 3, 1963}} –<br/>January 3, 1965

|- !scope="row" |{{USCongressOrdinal|89}} |{{Date table sorting|January 3, 1965}} –<br/>January 3, 1967 |rowspan=2 {{party shading/Democratic}} data-sort-value="Long Russell B." |Russell Long<br/>{{resize|(Louisiana)}}

|- !scope="row" |{{USCongressOrdinal|90}} |{{Date table sorting|January 3, 1967}} –<br/>January 3, 1969

|- !scope="row" rowspan=2|{{USCongressOrdinal|91}} |{{Date table sorting|January 3, 1969}} –<br/>September 7, 1969 |rowspan=2 {{party shading/Democratic}} data-sort-value="Kennedy Ted" |Ted Kennedy<br/>{{resize|(Massachusetts)}} |{{party shading/Republican}} data-sort-value="Scott Hugh" |Hugh Scott<br/>{{resize|(Pennsylvania)}}

|- |{{nowrap|{{Date table sorting|September 24, 1969}} –}}<br/>January 3, 1971 |rowspan=4 {{party shading/Republican}} data-sort-value="Scott Hugh" |Hugh Scott<br/>{{resize|(Pennsylvania)}} |rowspan=4 {{party shading/Republican}} data-sort-value="Griffin Robert P." |Robert Griffin<br/>{{resize|(Michigan)}}

|- !scope="row" |{{USCongressOrdinal|92}} |{{Date table sorting|January 3, 1971}} –<br/>January 3, 1973 |rowspan=3 {{party shading/Democratic}} data-sort-value="Byrd Robert" |Robert Byrd<br/>{{resize|(West Virginia)}}

|- !scope="row" |{{USCongressOrdinal|93}} |{{Date table sorting|January 3, 1973}} –<br/>January 3, 1975

|- !scope="row" |{{USCongressOrdinal|94}} |{{Date table sorting|January 3, 1975}} –<br/>January 3, 1977

|- !scope="row" |{{USCongressOrdinal|95}} |{{Date table sorting|January 3, 1977}} –<br/>January 3, 1979 |rowspan=9 {{party shading/Democratic}} data-sort-value="Cranston Alan" |Alan Cranston<br/>{{resize|(California)}} |rowspan=8 {{party shading/Democratic}} data-sort-value="Byrd Robert" |Robert Byrd<br/>{{resize|(West Virginia)}} |rowspan=2 {{party shading/Republican}} data-sort-value="Baker Howard" |Howard Baker<br/>{{resize|(Tennessee)}} |rowspan=6 {{party shading/Republican}} data-sort-value="Stevens Ted" |Ted Stevens<br/>{{resize|(Alaska)}}

|- !scope="row" rowspan=3|{{USCongressOrdinal|96}} |{{Date table sorting|January 3, 1979}} –<br/>November 1, 1979

|- |{{Date table sorting|November 1, 1979}} –<br/>March 5, 1980 |{{party shading/Republican}} data-sort-value="Stevens Ted" |Ted Stevens<br/>{{resize|(Alaska, ''Acting'')}}

|- |{{Date table sorting|March 5, 1980}} –<br/>January 3, 1981 |rowspan=3 {{party shading/Republican}} data-sort-value="Baker Howard" |Howard Baker<br/>{{resize|(Tennessee)}}

|- !scope="row" |{{USCongressOrdinal|97}} |{{Date table sorting|January 3, 1981}} –<br/>January 3, 1983 |rowspan=3 {{party shading/Republican}} |Republican<br/>majority →

|- !scope="row" |{{USCongressOrdinal|98}} |{{Date table sorting|January 3, 1983}} –<br/>January 3, 1985

|- !scope="row" |{{USCongressOrdinal|99}} |{{Date table sorting|January 3, 1985}} –<br/>January 3, 1987 |rowspan=6 {{party shading/Republican}} data-sort-value="Dole Bob" |Bob Dole<br/>{{resize|(Kansas)}} |rowspan=5 {{party shading/Republican}} data-sort-value="Simpson Alan K" |Alan Simpson<br/>{{resize|(Wyoming)}}

|- !scope="row" |{{USCongressOrdinal|100}} |{{Date table sorting|January 3, 1987}} –<br/>January 3, 1989 |rowspan=4 {{party shading/Democratic}} |Democratic<br/>← majority

|- !scope="row" |{{USCongressOrdinal|101}} |{{Date table sorting|January 3, 1989}} –<br/>January 3, 1991 |rowspan=3 {{party shading/Democratic}} data-sort-value="Mitchell George J." |George Mitchell<br/>{{resize|(Maine)}}

|- !scope="row" |{{USCongressOrdinal|102}} |{{Date table sorting|January 3, 1991}} –<br/>January 3, 1993 |rowspan=5 {{party shading/Democratic}} data-sort-value="Ford Wendell H." |Wendell Ford<br/>{{resize|(Kentucky)}}

|- !scope="row" |{{USCongressOrdinal|103}} |{{Date table sorting|January 3, 1993}} –<br/>January 3, 1995

|- !scope="row" rowspan=2|{{USCongressOrdinal|104}} |{{Date table sorting|January 3, 1995}} –<br/>June 12, 1996 |rowspan=9 {{party shading/Democratic}} data-sort-value="Daschle Tom" |Tom Daschle<br/>{{resize|(South Dakota)}} |rowspan=4 {{party shading/Republican}} |Republican<br/>majority → |{{party shading/Republican}} data-sort-value="Lott Trent" |Trent Lott<br/>{{resize|(Mississippi)}}

|- |{{Date table sorting|June 12, 1996}} –<br/>January 3, 1997 |rowspan=7 {{party shading/Republican}} data-sort-value="Lott Trent" |Trent Lott<br/>{{resize|(Mississippi)}} |rowspan=7 {{party shading/Republican}} data-sort-value="Nickles Don" |Don Nickles<br/>{{resize|(Oklahoma)}}

|- !scope="row" |{{USCongressOrdinal|105}} |{{Date table sorting|January 3, 1997}} –<br/>January 3, 1999

|- !scope="row" |{{USCongressOrdinal|106}} |{{Date table sorting|January 3, 1999}} –<br/>January 3, 2001 |rowspan=6 {{party shading/Democratic}} data-sort-value="Reid Harry" |Harry Reid<br/>{{resize|(Nevada)}}

|- !scope="row" rowspan=4|{{USCongressOrdinal|107}} |{{Date table sorting|January 3, 2001}} –<br/>January 20, 2001 |{{party shading/Democratic}} |Democratic<br/>← majority

|- |{{Date table sorting|January 20, 2001}} –<br/>June 6, 2001 |{{party shading/Republican}} |Republican<br/>majority →

|- |{{Date table sorting|June 6, 2001}} –<br/>November 23, 2002 |{{party shading/Democratic}} |Democratic<br/>← majority |- |{{Date table sorting|November 23, 2002}} –<br/>January 3, 2003 |rowspan=3 {{party shading/Republican}} |{{longitem|{{efn |Between November 23, 2002, and January 3, 2003, during the 107th Congress, Democrats remained in control, despite a Republican majority resulting from Jim Talent's special election victory in Missouri. There was no reorganization as the Senate was not in session.<ref>[https://www.senate.gov/pagelayout/history/one_item_and_teasers/partydiv.htm Party Division in the Senate, 1789–present], via Senate.gov</ref>}}<br/>Republican}}<br/>majority → |- !scope="row" |{{USCongressOrdinal|108}} |{{Date table sorting|January 3, 2003}} –<br/>January 3, 2005 |rowspan=2 {{party shading/Republican}} data-sort-value="Frist Bill" |Bill Frist<br/>{{resize|(Tennessee)}} |rowspan=2 {{party shading/Republican}} data-sort-value="McConnell Mitch]]" |Mitch McConnell<br/>{{resize|(Kentucky)}}

|- !scope="row" |{{USCongressOrdinal|109}} |{{Date table sorting|January 3, 2005}} –<br/>January 3, 2007 |rowspan=13 {{party shading/Democratic}} data-sort-value="Durbin Dick" |Dick Durbin<br/>{{resize|(Illinois)}} |rowspan=7 {{party shading/Democratic}} data-sort-value="Reid Harry" |Harry Reid<br/>{{resize|(Nevada)}}

|- !scope="row" rowspan=2|{{USCongressOrdinal|110}} |{{Date table sorting|January 3, 2007}} –<br/>December 18, 2007 |rowspan=5 {{party shading/Democratic}} |Democratic<br/>← majority |rowspan=11 {{party shading/Republican}} data-sort-value="McConnell Mitch]]" |Mitch McConnell<br/>{{resize|(Kentucky)}} |{{party shading/Republican}} data-sort-value="Lott Trent" |Trent Lott<br/>{{resize|(Mississippi)}}

|- |{{Date table sorting|December 19, 2007}} –<br/>January 3, 2009 |rowspan=3 {{party shading/Republican}} data-sort-value="Kyl Jon" |Jon Kyl<br/>{{resize|(Arizona)}}

|- !scope="row" |{{USCongressOrdinal|111}} |{{Date table sorting|January 3, 2009}} –<br/>January 3, 2011

|- !scope="row" |{{USCongressOrdinal|112}} |{{Date table sorting|January 3, 2011}} –<br/>January 3, 2013

|- !scope="row" |{{USCongressOrdinal|113}} |{{Date table sorting|January 3, 2013}} –<br/>January 3, 2015 |rowspan=3 {{party shading/Republican}} data-sort-value="Cornyn John" |John Cornyn<br/>{{resize|(Texas)}}

|- !scope="row" |{{USCongressOrdinal|114}} |{{Date table sorting|January 3, 2015}} –<br/>January 3, 2017 |rowspan=4 {{party shading/Republican}} |Republican<br/>majority → |- !scope="row" |{{USCongressOrdinal|115}} |{{Date table sorting|January 3, 2017}} –<br/>January 3, 2019 |rowspan=6 {{party shading/Democratic}} data-sort-value="Schumer Chuck" |Chuck Schumer<br/>{{resize|(New York)}} |- !scope="row" |{{USCongressOrdinal|116}} |{{Date table sorting|January 3, 2019}} –<br/>January 3, 2021 |rowspan=4 {{party shading/Republican}} data-sort-value="Thune John" |John Thune<br/>{{resize|(South Dakota)}} |- !scope="row" rowspan=2 |{{USCongressOrdinal|117}} |{{Date table sorting|January 3, 2021}} –<br/> January 20, 2021 |- |{{Date table sorting|January 20, 2021}} –<br/> January 3, 2023 |rowspan=2 {{party shading/Democratic}} |Democratic<br/>← majority |- !scope="row" |{{USCongressOrdinal|118}} |{{Date table sorting|January 3, 2023}} –<br/>January 3, 2025 |- !scope="row" |{{USCongressOrdinal|119}} |{{Date table sorting|January 3, 2025}} –<br/>January 3, 2027 |rowspan=1 {{party shading/Republican}} |Republican<br/>majority → |rowspan=1 {{party shading/Republican}} data-sort-value="Thune John" |John Thune<br/>{{resize|(South Dakota)}} |rowspan=1 {{party shading/Republican}} data-sort-value="Barrasso John" |John Barrasso<br/>{{resize|(Wyoming)}} |- |- class="sortbottom" !scope="col" |Congress !scope="col" |Dates !scope="col" |Democratic whip !scope="col" |Democratic leader !scope="col" |Majority !scope="col" |Republican leader !scope="col" |Republican whip |}

==Chief deputy whips== The '''chief deputy whip''' is the assistant to the majority/minority whip and the head of the whip operations team for their party. The current Republican (majority) chief deputy whip is Mike Crapo (Idaho), who has held the role since 2013, and the current Democratic (minority) chief deputy whip is Brian Schatz (Hawaii).

===List of Senate Democratic chief deputy whips=== {|class="wikitable sortable" style="text-align:center" !Congress !Officeholder 1 !Term !Officeholder 2 !Term !Officeholder 3 !Term !Party whip !Majority |- | 101st | rowspan=2 |Alan Dixon<br/>{{small|(Illinois)}} | rowspan=2 |1989–1993 | rowspan=14; colspan=4 |2nd & 3rd positions not ''established'' | Alan Cranston | rowspan=3 {{Party shading/Democratic}} |{{small| Dem Majority}} |- | 102nd | rowspan=4| Wendell Ford |- | 103rd | rowspan=6| John Breaux<br/>{{small|(Louisiana)}} | rowspan=6| 1993–2005 |- | 104th | rowspan=3 {{Party shading/Republican}} |{{small| GOP Majority}} |- | 105th |- | 106th | rowspan=3| Harry Reid |- | 107th | {{small|Dem ←→ GOP{{efn| From January 3 to January 20, 2001 Democrats were the majority; then from January 20 to June 6, 2001 GOP were in majority; then from June 6, 2001 – November 23, 2002 Democrats were back in the majority. The 107th Congress ended with the GOP in majority form November 23, 2002 to January 3, 2003; however, the Democrats remained in control of the Senate.}}}} |- | 108th | rowspan=2 {{Party shading/Republican}} |{{small| GOP Majority}} |- | 109th | rowspan=6| Barbara Boxer<br/>{{small| (California)}} | rowspan=6| 2005–2017 | rowspan=11| Dick Durbin |- | 110th | rowspan=4 {{Party shading/Democratic}} |{{small| Dem Majority}} |- | 111th |- | 112th |- |113th |- |114th | rowspan=3 {{Party shading/Republican}} |{{small| GOP Majority}} |- |115th | rowspan=5| Brian Schatz<br>{{small| (Hawaii)}} | rowspan=5| 2017–''present'' | rowspan=4| Jeff Merkley<br>{{small| (Oregon)}} | rowspan=4| 2017–2025 | rowspan=2| Cory Booker<br>{{small| (New Jersey)}} | rowspan=2| 2017–2021 |- | |116th |- | 117th | rowspan=3; colspan=2| ''Position abolished'' | rowspan=2 {{Party shading/Democratic}} |{{small| Dem Majority}}{{efn|name=117th Congress| For the 117th Congress Democrats gained majority on January 20, 2021 when Kamala Harris was sworn in as the Vice President and later that day she swore in three Democrats: Alex Padilla, Jon Ossoff and Raphael Warnock, giving the Democrats a 50–50 majority with the tie-breaking vote by VP Harris as the President of the Senate.}} |- | 118th |- |119th | colspan=2 | ''Position abolished'' | {{Party shading/Republican}} |{{small| GOP Majority}} |}

===List of Senate Republican chief deputy whips=== {|class="wikitable sortable" style="text-align:center" !Congress !Officeholder !Term !Party whip !Majority |- | 108th | rowspan=2| Bob Bennett<br/>{{small| (Utah)}} | rowspan=2| January 3, 2003 – January 3, 2007 | rowspan=2| Mitch McConnell | rowspan=2 {{Party shading/Republican}} |{{small| GOP Majority}} |- | 109th |- | 110th | John Thune<br/>{{small|(South Dakota)}} | January 3, 2007 – January 3, 2009 | Trent Lott<br/>Jon Kyl{{efn|Lott resigned on December 18, 2007.}} | rowspan=4 {{Party shading/Democratic}} |{{small| Dem Majority}} |- | 111th | rowspan=2| Richard Burr<br/>{{small| (North Carolina)}} | rowspan=2| January 3, 2009 – January 3, 2013 | rowspan=2| Jon Kyl |- | 112th |- | 113th | rowspan=7| Mike Crapo<br/>{{small| (Idaho)}} | rowspan=7| January 3, 2013 – ''present'' | rowspan=3| John Cornyn |- |114th | rowspan=3 {{Party shading/Republican}} |{{small| GOP Majority}} |- |115th |- | |116th | rowspan=3| John Thune |- | 117th | rowspan=2 {{Party shading/Democratic}} |{{small| Dem Majority}}{{efn|name="117th Congress"}} |- | 118th |- |119th | John Barrasso | {{Party shading/Republican}} |{{small| GOP Majority}} |}

==See also== {{Portal|Politics|United States}} {{Politics of the United States}} * Party leaders of the United States House of Representatives * President pro tempore of the United States Senate * Vice President of the United States (President of the United States Senate) * Party divisions of United States Congresses * List of political parties in the United States

==Notes== {{notelist}}

==References== {{Reflist}}

==External links== * [https://www.senate.gov/artandhistory/history/common/briefing/Majority_Minority_Leaders.htm Majority and Minority Leaders and Party Whips], via Senate.gov * [http://republican.senate.gov/ Senate Republicans] * [http://democrats.senate.gov/ Senate Democrats]

{{US Senate leaders}} {{United States Congress}} {{Republican Party (United States)}} {{Democratic Party (United States)}}

Party Party leaders Category:Lists related to the United States Senate United States Senate Category:United States Senate