MAJORITY

• 0JOHN LITTLE MCCLELLAN

  [D] AR, United States
• 0WARREN GRANT MAGNUSON

  [D] WA, United States
• 31John C. Stennis

  [D] MS, United States
• 2John Pastore

  [D] RI, United States

  Ended 12/28/1976
• 1,644Robert C. Byrd

  [D] WV, United States
• 0GALE WILLIAM MCGEE

  [D] WY, United States

  Ended 01/03/1977
• 4Michael "Mike" J. Mansfield

  [D] MT, United States

  Ended 01/03/1977
• 196William Proxmire

  [D] WI, United States
• 1Joseph Montoya

  [D] NM, United States

  Ended 01/03/1977
• 521Daniel K. Inouye

  [D] HI, United States
• 608Ernest "Fritz" F. Hollings

  [D] SC, United States
• 26Birch Bayh

  [D] IN, United States
• 16Thomas Eagleton

  [D] MO, United States
• 57Lawton Chiles Jr.

  [D] FL, United States
• 259J. "Bennett" Bennett Johnston

  [D] LA, United States
• 1Walter D. Huddleston

  [D] KY, United States

MINORITY

• 0MILTON RUBEN YOUNG

  [R] ND, United States

  Began 01/23/1975
• 0ROMAN LEE HRUSKA

  [R] NE, United States

  Began 01/23/1975

  Ended 12/27/1976
• 0CLIFFORD PHILLIP CASE

  [R] NJ, United States

  Began 01/23/1975
• 0HIRAM LEONG FONG

  [R] HI, United States

  Began 01/23/1975

  Ended 01/03/1977
• 3Edward W. Brooke III

  [R] MA, United States

  Began 01/23/1975
• 299Mark O. Hatfield

  [R] OR, United States

  Began 01/23/1975
• 1,035Theodore "Ted" F. Stevens

  [R] AK, United States

  Began 01/23/1975
• 30Charles Mathias

  [R] MD, United States

  Began 01/23/1975
• 0RICHARD S. SCHWEIKER

  [R] PA, United States

  Began 01/23/1975
• 1Henry Bellmon

  [R] OK, United States

  Began 01/23/1975