Iraq by the numbers

4,487 - U.S. deaths as of Dec. 15, 2011, according to the Pentagon.
32,000 (at least) - injured U.S. soldiers as of Dec. 15, 2011.
103,775 (at least) - Iraqi deaths as of Nov. 30, 2011 from war-related violence, according to Iraq Body Count.
2,097 (at least) - Deaths of civilian employees of U.S. government contractors as of Sept. 30, 2011.
464 - Assassinated Iraqi academics as of Aug. 25, 2011.
174 - Journalists killed on assignment as of Nov. 30, 2011.

— The Associated Press

Last U.S. troops leave Iraq - cbc.ca

(but U.S. contractors remain...)

The U.S. military may be leaving Iraq, but the U.S. government is not. The U.S. embassy in Baghdad is the largest in the world, and thousands of private contractors will fill the role of the departing U.S. troops.

 (source)