Skip to content
Their Record

Rankings

Career-long leaderboards. Every ranking below is computed over a member’s entire tenure, not a single session.

Longest serving

Total time in office across both chambers.

  1. 1John D. DingellD59.8 yrs
  2. 2Robert C. ByrdD57.4 yrs
  3. 3Daniel K. InouyeD53.9 yrs
  4. 4Jamie Lloyd WhittenD53.8 yrs
  5. 5John Conyers, Jr.D52.7 yrs
  6. 6Edward J. MarkeyIN OFFICED51.5 yrs
  7. 7Chuck GrassleyIN OFFICER51.5 yrs
  8. 8Don YoungR48.9 yrs
  9. 9Patrick J. LeahyD47.9 yrs
  10. 10Sidney Richard YatesD47.8 yrs

Voting-behaviour rankings

Most party-loyal

Voted with their own party most often.

  1. 1James C. Justice99.8%
  2. 2Donna E. Shalala99.5%
  3. 3David McCormick99.5%
  4. 4Tim Sheehy99.5%
  5. 5Bernie Moreno99.3%
  6. 6Jefferson Shreve99.2%
  7. 7Madeleine Dean99.2%
  8. 8Kaiali’i Kahele99.1%
  9. 9Mark B. Messmer99%
  10. 10Shontel M. Brown99%

Most bipartisan

Sided with the opposing party most often.

  1. 1Matthew G. Martínez89.1%
  2. 2Zell Bryan Miller85.5%
  3. 3Charles William Whalen Jr.84.5%
  4. 4Clifford Philip Case83.6%
  5. 5Robert Hampton Steele83.1%
  6. 6Thomas Nelms Downing81.8%
  7. 7Newton Ivan Steers Jr.81.4%
  8. 8Wilbur Clarence Daniel81.2%
  9. 9Paul William Cronin81%
  10. 10Jacob Koppel Javits81%

Most consistent

Held the steadiest positions across their whole career.

  1. 1John J. Hall95.5/100
  2. 2Steve Kagen95.4/100
  3. 3Kamala D. Harris95/100
  4. 4Ron Klein94.7/100
  5. 5Patrick J. Murphy94.6/100
  6. 6Joe Sestak93.9/100
  7. 7Andy Levin93.8/100
  8. 8Charles A. Wilson93.6/100
  9. 9Gabrielle Giffords93.2/100
  10. 10Phil Hare92.9/100

Best attendance

Cast a vote when one was available.

  1. 1Sheri Biggs100%
  2. 2William Proxmire100%
  3. 3Brian Jack100%
  4. 4David J. Taylor100%
  5. 5Jon Husted100%
  6. 6Susan M. Collins100%
  7. 7Summer L. Lee100%
  8. 8Gabe Evans100%
  9. 9Mark Harris100%
  10. 10Charles Edward Bennett100%