U.S. TROOP LEVELS:
_October 2007: 170,000 at peak of troop buildup.
_Nov. 30, 2009: 115,000.
_Confirmed U.S. military deaths as of Dec. 1, 2009: at least 4,366.
_Confirmed U.S. military wounded (hostile) as of Nov. 30, 2009: 31,572.
_Confirmed U.S. military wounded (non-hostile, using medical air transport) as of Oct. 31, 2009: 39,232.
_U.S. military deaths for November 2009: 11, one of the lowest monthly death tolls since the war began.
_Deaths of civilian employees of U.S. government contractors as of Sept. 30, 2009: 1,442.
_Iraqi deaths in November 2009 from war-related violence: at least 93, the lowest full monthly figure since The Associated Press began tracking Iraqi deaths in May 2005.
_Assassinated Iraqi academics as of Nov. 23, 2009: 432.
_Journalists killed on assignment as of Dec. 1, 2009: 141.
_Over $705 billion, according to the National Priorities Project.
_Prewar: 2.58 million barrels per day.
_Nov. 24, 2009: 2.34 million barrels per day.
_Prewar nationwide: 3,958 megawatts. Hours per day (estimated): 4-8.
_Nov. 4, 2009: Nationwide: 5,890 megawatts. Hours per day: N/A.
_Prewar Baghdad: 2,500 megawatts. Hours per day: 16-24.
_Nov. 4, 2009: Baghdad: N/A. Hours per day: N/A.
_Prewar land lines: 833,000.
_Oct. 4, 2009: 1,250,000.
_Prewar cell phones: 80,000.
_Oct. 4, 2009: an estimated 19.5 million.
_Prewar: 12.9 million people had potable water.
_Oct. 12, 2009: 21.2 million people have potable water.
_Prewar: 6.2 million people served.
_Oct. 12, 2009: 11.5 million people served.
_October 2009: at least 2.7 million total are currently displaced inside Iraq.
_Prewar: 500,000 Iraqis living abroad.
_October 2009: More than 2 million.
All figures are the most recent available.
Sources: The Associated Press, State Department, Defense Department, Special Inspector General for Iraq Reconstruction, The Brookings Institution, United Nations Assistance Mission for Iraq (UNAMI), Committee to Protect Journalists, National Priorities Project, The Brussels Tribunal, and the U.S. Department of Labor.
AP news researchers Julie Reed and Rhonda Shafner compiled this report.