MAJORITY

• 281E. Benjamin "Ben" Nelson

  [D] NE, United States
• 122Kirsten E. Gillibrand

  [D] NY, United States

  Began 03/24/2011
• 192Mark Begich

  [D] AK, United States
• 953John "Jack" F. Reed

  [D] RI, United States
• 875Clarence "Bill" William Nelson

  [D] FL, United States

  Ended 03/24/2011
• 234Mark Udall

  [D] CO, United States
• 267Jeanne Shaheen

  [D] NH, United States

  Began 03/24/2011

MINORITY

• 1,432Jefferson "Jeff" Sessions

  [R] AL, United States
• 923James M. Inhofe

  [R] OK, United States
• 543Lindsey Graham

  [R] SC, United States

  Ended 03/24/2011
• 404Joseph "Joe" Lieberman

  [I] CT, United States

  Began 03/24/2011
• 124Rob Portman

  [R] OH, United States

  Began 03/24/2011
• 852John Cornyn

  [R] TX, United States

  Began 03/24/2011
• 192Roger Wicker

  [R] MS, United States

  Began 03/24/2011
• 390David Vitter

  [R] LA, United States