MAJORITY

• 4Edmund Muskie

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

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

  [D] SC, United States
• 266Alan Cranston

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

  [D] FL, United States
• 7James Abourezk

  [D] SD, United States

  Ended 01/03/1979
• 1,181Joseph "Joe" R. Biden Jr.

  [D] DE, United States
• 587Samuel Nunn

  [D] GA, United States

  Ended 02/11/1977
• 1Wendell Anderson

  [D] MN, United States

  Began 01/11/1977

  Ended 12/29/1978
• 726Daniel Patrick Moynihan

  [D] NY, United States

  Began 01/11/1977

  Ended 02/11/1977

MINORITY

• 1Henry Bellmon

  [R] OK, United States
• 2,197Robert "Bob" Joseph Dole

  [R] KS, United States
• 141James A. McClure

  [R] ID, United States
• 1,594Pete V. Domenici

  [R] NM, United States
• 647John H. Chafee

  [R] RI, United States

  Ended 02/22/1977
• 861Richard "Dick" G. Lugar

  [R] IN, United States

  Ended 02/22/1977

OTHER

• 1Samuel Hayakawa

  [R] CA, United States

  Began 02/22/1977
• 202Henry "John" Heinz

  [R] PA, United States

  Began 02/22/1977
• 258J. "Bennett" Bennett Johnston

  [D] LA, United States

  Began 02/11/1977
• 282James "Jim" R. Sasser

  [D] TN, United States

  Began 02/11/1977