Members of Congress
Everyone who has served since 1973 — 2,687 people, the earliest of them first elected in 1923.
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Bernard Sanders
IVermont · Senate
1991–present · 35.6 yrs · age 84
In office
Angus S. King, Jr.
IMaine · Senate
2013–present · 13.6 yrs · age 82
In officeJames M. Jeffords
IVermont · Senate
1975–2007 · 31.9 yrs · b. 1934
Joseph I. Lieberman
IConnecticut · Senate
1989–2013 · 24 yrs · b. 1942
Harry Flood Byrd Jr.
IVirginia · Senate
1965–1983 · 17.1 yrs · b. 1914
Joe Manchin, III
IWest Virginia · Senate
2010–2025 · 14.1 yrs · b. 1947
Kyrsten Sinema
IArizona · Senate
2013–2025 · 12 yrs · b. 1976
Dean Barkley
IMinnesota · Senate
2002–2003 · <1 yr · b. 1950