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For a full description of seniority, an explanation of its rules, and the current list, see Seniority in the United States Senate.

This is a complete list of United States senators during the 117th United States Congress listed by seniority, from January 3, 2021, to January 3, 2023. It is a historical listing and will contain people who have not served the entire two-year Congress should anyone resign, die, or be expelled.

In this Congress, the most junior senior senator was Kelly Loeffler until Jon Ossoff and Raphael Warnock were sworn in on January 20, 2021, after which Ossoff became the most junior senior senator. The most senior junior senator is Maria Cantwell.

Order of service is based on the commencement of the senator's first term. Behind this is former service as a senator (only giving the senator seniority within his or her new incoming class), service as vice president, a House member, a cabinet secretary, or a governor of a state. The final factors are the population of the senator's state and the alphabetical position of the senator's surname. [1] [2] [3] [4] [5]

Terms of service

This article is about the terms of service of senators that expired or will expire in years. For a list of special elections to the United States Senate, see List of special elections to the United States Senate.
Class Terms of service of senators that expired or will expire in years
Class 3 Terms of service of senators that expired in 2023 [6]
Class 1 Terms of service of senators that will expire in 2025 [7]
Class 2 Terms of service of senators that will expire in 2027 [8]

U.S. Senate seniority list

Rank Historical
rank 		Senator Party State Seniority date Other factors
1 1692 Patrick Leahy Democratic Vermont January 3, 1975  
2 1743 Chuck Grassley Republican Iowa January 3, 1981
3 1766 Mitch McConnell Republican Kentucky January 3, 1985  
4 1775 Richard Shelby Republican Alabama January 3, 1987
5 1801 Dianne Feinstein Democratic California November 10, 1992  
6 1812 Patty Murray Democratic Washington January 3, 1993  
7 1816 Jim Inhofe Republican Oklahoma November 17, 1994
8 1827 Ron Wyden Democratic Oregon February 6, 1996
9 1831 Dick Durbin Democratic Illinois January 3, 1997 Former member of the U.S. House of Representatives (14 years)
10 1835 Jack Reed Democratic Rhode Island Former member of the U.S. House of Representatives (6 years)
11 1842 Susan Collins Republican Maine  
12 1844 Chuck Schumer Democratic New York January 3, 1999 Former member of the U.S. House of Representatives (18 years)
13 1846 Mike Crapo Republican Idaho Former member of the U.S. House of Representatives (6 years)
14 1855 Tom Carper Democratic Delaware January 3, 2001 Former member of the U.S. House of Representatives (10 years)
15 1856 Debbie Stabenow Democratic Michigan Former member of the U.S. House of Representatives (4 years)
16 1859 Maria Cantwell [9] Democratic Washington Former member of the U.S. House of Representatives (2 years)
17 1867 John Cornyn Republican Texas December 1, 2002  
18 1868 Lisa Murkowski Republican Alaska December 20, 2002  
19 1870 Lindsey Graham Republican South Carolina January 3, 2003
20 1876 Richard Burr Republican North Carolina January 3, 2005 Former member of the U.S. House of Representatives (10 years)
21 1879 John Thune Republican South Dakota Former member of the U.S. House of Representatives (6 years)
22 1885 Bob Menendez Democratic New Jersey January 18, 2006
23 1886 Ben Cardin Democratic Maryland January 3, 2007 Former member of the U.S. House of Representatives (20 years)
24 1887 Bernie Sanders Independent [10] Vermont Former member of the U.S. House of Representatives (16 years)
25 1888 Sherrod Brown Democratic Ohio Former member of the U.S. House of Representatives (14 years)
26 1889 Bob Casey, Jr. Democratic Pennsylvania Pennsylvania 6th in population ( 2000)
27 1893 Amy Klobuchar Democratic Minnesota Minnesota 21st in population (2000)
28 1894 Sheldon Whitehouse Democratic Rhode Island Rhode Island 43rd in population (2000)
29 1895 Jon Tester Democratic Montana Montana 44th in population (2000)
30 1896 John Barrasso Republican Wyoming June 25, 2007  
31 1897 Roger Wicker Republican Mississippi December 31, 2007
32 1901 Jeanne Shaheen Democratic New Hampshire January 3, 2009 Former governor (6 years)
33 1902 Mark Warner Democratic Virginia Former governor (4 years)
34 1903 Jim Risch Republican Idaho Former governor (7 months)
35 1905 Jeff Merkley Democratic Oregon  
36 1909 Michael Bennet Democratic Colorado January 21, 2009  
37 1910 Kirsten Gillibrand Democratic New York January 26, 2009
38 1916 Joe Manchin Democratic West Virginia November 15, 2010 Former governor
39 1917 Chris Coons Democratic Delaware  
40 1919 Roy Blunt Republican Missouri January 3, 2011 Former member of the U.S. House of Representatives (14 years); Missouri 17th in population (2000)
41 1920 Jerry Moran Republican Kansas Former member of the U.S. House of Representatives (14 years); Kansas 32nd in population (2000)
42 1921 Rob Portman Republican Ohio Former member of the U.S. House of Representatives (12 years)
43 1922 John Boozman Republican Arkansas Former member of the U.S. House of Representatives (9 years)
44 1923 Pat Toomey Republican Pennsylvania Former member of the U.S. House of Representatives (6 years)
45 1924 John Hoeven Republican North Dakota Former governor
46 1925 Marco Rubio Republican Florida Florida 4th in population (2000)
47 1926 Ron Johnson Republican Wisconsin Wisconsin 18th in population (2000)
48 1927 Rand Paul Republican Kentucky Kentucky 25th in population (2000)
49 1928 Richard Blumenthal Democratic Connecticut Connecticut 29th in population (2000)
50 1929 Mike Lee Republican Utah Utah 34th in population (2000)
51 1932 Brian Schatz Democratic Hawaii December 27, 2012  
52 1933 Tim Scott Republican South Carolina January 2, 2013
53 1934 Tammy Baldwin Democratic Wisconsin January 3, 2013 Former member of the U.S. House of Representatives (14 years)
54 1937 Chris Murphy Democratic Connecticut Former member of the U.S. House of Representatives (6 years); Connecticut 29th in population ( 2010)
55 1938 Mazie Hirono Democratic Hawaii Former member of the U.S. House of Representatives (6 years); Hawaii 42nd in population (2010)
56 1939 Martin Heinrich Democratic New Mexico Former member of the U.S. House of Representatives (4 years)
57 1940 Angus King Independent Maine Former governor (8 years)
58 1941 Tim Kaine Democratic Virginia Former governor (4 years)
59 1942 Ted Cruz Republican Texas Texas 2nd in population (2010)
60 1943 Elizabeth Warren Democratic Massachusetts Massachusetts 15th in population (2010)
61 1944 Deb Fischer Republican Nebraska Nebraska 38th in population (2010)
62 1948 Ed Markey Democratic Massachusetts July 16, 2013
63 1949 Cory Booker Democratic New Jersey October 31, 2013  
64 1951 Shelley Moore Capito Republican West Virginia January 3, 2015 Former member of the U.S. House of Representatives (14 years)
65 1952 Gary Peters Democratic Michigan Former member of the U.S. House of Representatives (6 years); Michigan 9th in population (2010)
66 1953 Bill Cassidy Republican Louisiana Former member of the U.S. House of Representatives (6 years); Louisiana 25th in population (2010)
67 1955 James Lankford Republican Oklahoma Former member of the U.S. House of Representatives (4 years)
68 1956 Tom Cotton Republican Arkansas Former member of the U.S. House of Representatives (2 years); Arkansas 32nd in population (2010)
69 1957 Steve Daines Republican Montana Former member of the U.S. House of Representatives (2 years); Montana 44th in population (2010)
70 1958 Mike Rounds Republican South Dakota Former governor
71 1960 Thom Tillis Republican North Carolina North Carolina 10th in population (2010)
72 1961 Joni Ernst Republican Iowa Iowa 30th in population (2010)
73 1962 Ben Sasse Republican Nebraska Nebraska 38th in population (2010)
74 1963 Dan Sullivan Republican Alaska Alaska 47th in population (2010)
75 1964 Chris Van Hollen Democratic Maryland January 3, 2017 Former member of the U.S. House of Representatives (14 years)
76 1965 Todd Young Republican Indiana Former member of the U.S. House of Representatives (6 years)
77 1966 Tammy Duckworth Democratic Illinois Former member of the U.S. House of Representatives (4 years)
78 1967 Maggie Hassan Democratic New Hampshire Former governor
79 1968 Kamala Harris [11] Democratic California California 1st in population (2010)
80 1969 John Neely Kennedy Republican Louisiana Louisiana 25th in population (2010)
81 1970 Catherine Cortez Masto Democratic Nevada Nevada 35th in population (2010)
82 1972 Tina Smith Democratic Minnesota January 3, 2018  
83 1974 Cindy Hyde-Smith Republican Mississippi April 2, 2018  
84 1975 Marsha Blackburn Republican Tennessee January 3, 2019 Former member of the U.S. House of Representatives (16 years)
85 1976 Kyrsten Sinema Democratic Arizona Former member of the U.S. House of Representatives (6 years); Arizona 16th in population (2010)
86 1977 Kevin Cramer Republican North Dakota Former member of the U.S. House of Representatives (6 years); North Dakota 48th in population (2010)
87 1979 Jacky Rosen Democratic Nevada Former member of the U.S. House of Representatives (2 years)
88 1980 Mitt Romney Republican Utah Former governor
89 1981 Mike Braun Republican Indiana Indiana 15th in population (2010)
90 1982 Josh Hawley Republican Missouri Missouri 18th in population (2010)
91 1983 Rick Scott Republican Florida January 8, 2019
92 1984 Kelly Loeffler [12] Republican Georgia January 6, 2020  
93 1985 Mark Kelly Democratic Arizona December 2, 2020  
94 1986 Ben Ray Luján Democratic New Mexico January 3, 2021 Former member of the U.S. House of Representatives (12 years)
95 1987 Cynthia Lummis Republican Wyoming Former member of the U.S. House of Representatives (8 years)
96 1988 Roger Marshall Republican Kansas Former member of the U.S. House of Representatives (4 years)
97 1989 John Hickenlooper Democratic Colorado Former governor
98 1990 Bill Hagerty Republican Tennessee Tennessee 17th in population (2010)
99 1991 Tommy Tuberville Republican Alabama Alabama 23rd in population (2010)
100 1992 Alex Padilla [11] [a] Democratic California January 20, 2021 California 1st in population (2010)
101 1993 Jon Ossoff [14] Democratic Georgia Georgia 9th in population (2010); 'O' 15th letter of the alphabet
102 1994 Raphael Warnock [12] Democratic Georgia Georgia 9th in population (2010); 'W' 23rd letter of the alphabet

See also

Notes

  1. ^ Alex Padilla was appointed to the Senate by California Governor Gavin Newsom on January 18, [13] but despite being an appointed senator, his seniority date is based on January 20.

References

  1. ^ A Chronological List of United States Senators 1789–Present, via www.senate.gov
  2. ^ 1971 U.S Census Report Contains 1970 Census results.
  3. ^ 1981 U.S Census Report Contains 1980 Census results.
  4. ^ 1991 U.S Census Report Contains 1990 Census results.
  5. ^ "2000 Census State Population Rankings". Archived from the original on 2020-02-12. Retrieved 2019-01-03.
  6. ^ Terms of service of senators that expire in 2023.
  7. ^ Terms of service of senators that will expire in 2025.
  8. ^ Terms of service of senators that will expire in 2027.
  9. ^ Cantwell is the Senate's most senior junior senator.
  10. ^ Although Sanders was a candidate for the 2016 Democratic presidential nomination, and votes with the Democrats for organizational purposes, he has been elected and classified as an Independent throughout his time in Congress.
  11. ^ a b In California, Kamala Harris (D) resigned January 18, 2021. She was replaced by Alex Padilla (D), who was appointed by Governor Gavin Newsom.
  12. ^ a b In Georgia, Kelly Loeffler (R) was replaced by Raphael Warnock (D), who won the Jan. 5, 2021 special election runoff to complete Johnny Isakson's term.
  13. ^ "Governor Newsom Formally Appoints Alex Padilla to the U.S. Senate and Nominates Dr. Shirley Weber as Secretary of State". 18 January 2021.
  14. ^ Ossoff is the Senate's most junior senior senator.

External links

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