U.S. TROOP LEVELS:
_October 2007: 170,000 at peak of troop buildup.
_March 31, 2009: 142,000.
_Confirmed U.S. military deaths as of March 31, 2009: At least 4,261.
_Confirmed U.S. military wounded (hostile) as of March 31, 2009: 31,153.
_Confirmed U.S. military wounded (non-hostile, using medical air transport) as of Feb. 28, 2009: 36,106.
_U.S. military deaths for March 2009: 9, the lowest number of casualties reported for one full month since the AP began tracking this figure in March of 2003.
_Deaths of civilian employees of U.S. government contractors as of Dec, 31, 2008: 1,306.
_Iraqi deaths in March 2009 from war-related violence: 335.
_Assassinated Iraqi academics as of March 30, 2009: 417.
_Journalists killed on assignment as of March 31, 2009: 138.
_Over $609 billion, according to the National Priorities Project.
_Prewar: 2.58 million barrels per day.
_March 25, 2009: 2.38 million barrels per day.
_Prewar nationwide: 3,958 megawatts. Hours per day (estimated): 4-8.
_March 16, 2009 nationwide: 5,275 megawatts. Hours per day: 15.4.
_Prewar Baghdad: 2,500 megawatts. Hours per day (estimated): 16-24.
_March 16, 2009 Baghdad: Megawatts not available. Hours per day: 16.7.
Note: Current Baghdad megawatt figures are no longer reported by the U.S. State Department’s Iraq Weekly Status Report.
_Prewar land lines: 833,000.
_Jan. 5, 2009: 1,300,000.
_Prewar cell phones: 80,000.
_Jan. 5, 2009: An estimated 14.7 million.
_Prewar: 12.9 million people had potable water.
_Jan. 15, 2009: 21.2 million people have potable water.
_Prewar: 6.2 million people served.
_Dec. 31, 2008: 11.3 million people served.
_March 25, 2009: At least 2.8 million people are currently displaced inside Iraq.
_Prewar: 500,000 Iraqis living abroad.
_March 25, 2009: Close to 2 million, mainly in Syria and Jordan.
All figures are the most recent available.
Sources: The Associated Press, State Department, Defense Department, Special Inspector General for Iraq Reconstruction, The Brookings Institution, Office of the U.N. High Commissioner for Refugees, International Organization for Migration, Committee to Protect Journalists, National Priorities Project, The Brussels Tribunal, and the U.S. Department of Labor.
AP researchers Julie Reed and Rhonda Shafner in New York compiled this report.