MAJORITY

• 0HARRISON ARLING WILLIAMS

  [D] NJ, United States

  Ended 01/23/1979
• 2Jennings Randolph

  [D] WV, United States

  Ended 01/23/1979
• 461Claiborne Pell

  [D] RI, United States

  Ended 01/23/1979
• 2,208Edward "Ted" M. Kennedy

  [D] MA, United States

  Ended 01/23/1979
• 13Gaylord Nelson

  [D] WI, United States

  Ended 01/23/1979
• 16Thomas Eagleton

  [D] MO, United States

  Ended 01/23/1979
• 265Alan Cranston

  [D] CA, United States

  Ended 01/23/1979
• 0WILLIAM D. HATHAWAY

  [D] ME, United States

  Ended 01/03/1979
• 334Donald Wayne Riegle Jr.

  [D] MI, United States

  Began 02/11/1977

  Ended 01/23/1979
• 0JOHN DURKIN

  [D] NH, United States
• 54John Melcher

  [D] MT, United States

MINORITY

• 0JACOB KOPPEL JAVITS

  [R] NY, United States

  Ended 01/23/1979
• 0RICHARD S. SCHWEIKER

  [R] PA, United States

  Ended 01/23/1979
• 47Robert T. Stafford

  [R] VT, United States

  Ended 01/23/1979
• 16Paul Laxalt

  [R] NV, United States

  Ended 02/22/1977
• 1,978Orrin Hatch

  [R] UT, United States

  Began 02/22/1977

  Ended 01/23/1979
• 394John C. Danforth

  [R] MO, United States

  Ended 02/22/1977
• 647John H. Chafee

  [R] RI, United States

  Began 02/22/1977

  Ended 01/23/1979
• 861Richard "Dick" G. Lugar

  [R] IN, United States

  Began 01/12/1977

  Ended 02/22/1977
• 1Samuel Hayakawa

  [R] CA, United States

  Began 02/22/1977

  Ended 01/23/1979