MAJORITY

• 1,952Patrick J. Leahy

  [D] VT, United States

  Began 01/06/2009
• 478Herbert "Herb" H. Kohl

  [D] WI, United States

  Began 01/06/2009
• 1,105Dianne Feinstein

  [D] CA, United States

  Began 01/06/2009
• 910Russell "Russ" Feingold

  [D] WI, United States

  Began 01/06/2009

  Ended 01/02/2011
• 1,219Charles E. Schumer

  [D] NY, United States

  Began 01/06/2009
• 1,988Richard "Dick" J. Durbin

  [D] IL, United States

  Began 01/06/2009
• 561Benjamin "Ben" L. Cardin

  [D] MD, United States

  Began 01/06/2009
• 611Sheldon Whitehouse

  [D] RI, United States

  Began 01/06/2009
• 478Amy Klobuchar

  [D] MN, United States

  Began 01/06/2009
• 825Ronald "Ron" Lee Wyden

  [D] OR, United States

  Began 01/06/2009

  Ended 07/07/2009
• 113Arlen Specter

  [D] PA, United States

  Began 04/30/2009

  Ended 01/02/2011
• 208Edward "Ted" E. Kaufman

  [D] DE, United States

  Began 01/16/2009
• 240Al Franken

  [D] MN, United States

  Began 07/07/2009

MINORITY

• 1,866Arlen Specter

  [R] PA, United States

  Began 01/06/2009

  Ended 04/30/2009
• 1,418Jefferson "Jeff" Sessions

  [R] AL, United States

  Began 01/06/2009
• 1,977Orrin Hatch

  [R] UT, United States

  Began 01/06/2009
• 1,944Charles "Chuck" E. Grassley

  [R] IA, United States

  Began 01/06/2009
• 1,233Jon Kyl

  [R] AZ, United States

  Began 01/06/2009
• 536Lindsey Graham

  [R] SC, United States

  Began 01/06/2009
• 845John Cornyn

  [R] TX, United States

  Began 01/06/2009
• 599Thomas "Tom" A. Coburn M.D.

  [R] OK, United States

  Began 01/06/2009