Incumbents
- President: Barack Obama (Democratic)
- Vice President: Joe Biden (Democratic)
- Chief Justice: John Roberts
- Speaker of the House of Representatives: Nancy Pelosi (D–California) until January 3, John Boehner (R–Ohio) since January 5
- Senate Majority Leader: Harry Reid (D–Nevada)
- Congress: 111th (until January 3), 112th (starting January 3)
Read more about this topic: 2011 In The United States