Skip Content
U.S. Flag
  
  

Longest-Serving Party Leaders


Filter by:
SenatorYearsSenate ServiceParty LeaderMajority LeaderMinority Leader
MansfieldMichael J. Mansfield (D-MT) 161953-19771961-19771961-1977
McConnellMitch McConnell (R-KY) 151985-present2007-present2015-20212007-2015; 2021-present
RobinsonJoseph T. Robinson (D-AR) 13.51913-19371923-19371933-19371923-1933
ByrdRobert C. Byrd (D-WV) 121959-20101977-19891977-1981
1987-1989
1981-1987
BarkleyAlben W. Barkley (D-KY) 121927-1949
1955-1956
1937-19491937-19471947-1949
ReidHarry Reid (D-NV) 121987-20172005-20172007-20152005-2007
2015-2017
DoleRobert J. Dole (R-KS) 11.51969-19961985-19961985-1987
1995-1996
1987-1995
GormanArthur P. Gorman (D-MD) 111881-1899
1903-1906
1890-1898
1903-1906
1893-18951890-1893
1895-1898
1903-1906
McNaryCharles L. McNary (R-OR) 111917-19441933-19441933-1944
DirksenEverett M. Dirksen (R-IL) 101951-19691959-19691959-1969
DaschleThomas A. Daschle (D-SD) 101987-20051995-20052001-20031995-2001
2003-2005
BakerHoward H. Baker, Jr. (R-TN) 81967-19851977-19851981-19851977-1981
JohnsonLyndon B. Johnson (D-TX) 81949-19611953-19611955-19611953-1955
ScottHugh D. Scott, Jr. (R-PA) 81959-19771969-19771969-1977
LottTrent Lott (R-MS) 6.51989-20071996-20031996-20012001-2003
MitchellGeorge J. Mitchell (D-ME) 61980-19951989-19951989-1995