Iraq: Key figures since the war began
U.S. TROOP LEVELS:
October 2007: 170,000 at peak of troop buildup.
May 1, 2010: 94,000.
Confirmed U.S. military deaths as of April 30, 2010: at least 4,394.
Confirmed U.S. military wounded (hostile) as of April 30, 2010: 31,790.
Confirmed U.S. military wounded (non-hostile, using medical air transport) as of April 3, 2010: 38,845.
U.S. military deaths for April 2010: 7, the same as March. The lowest monthly death toll since the war began in March 2003 has been December 2009, with 3 U.S. military deaths.
Deaths of civilian employees of U.S. government contractors as of March 31, 2009: 1,471.
Iraqi deaths in April 2010 from war-related violence: at least 321, almost a hundred more than last month's 230.
Assassinated Iraqi academics as of Feb. 24, 2010: 437.
Journalists killed on assignment as of May 3, 2010: 141.
Nearly $721 billion, according to the National Priorities Project.
Prewar: 2.58 million barrels per day.
April 28, 2010: 2.40 million barrels per day.
Prewar nationwide: 3,958 megawatts. Hours per day (estimated): 4-8.
April 7, 2010: Nationwide: 6,280 megawatts. Hours per day: 18.4.
Prewar Baghdad: 2,500 megawatts. Hours per day: 16-24.
April 7, 2010: Baghdad: N/A. Hours per day: 19.5.
Prewar land lines: 833,000.
Jan. 2010: 1,300,000.
Prewar cell phones: 80,000.
Jan. 2010: An estimated 19.5 million.
Prewar: 12.9 million people had potable water.
April 30, 2010: More than 21.6 million people have potable water.
Prewar: 6.2 million people served.
April 30, 2010: 11.5 million people served.
April 2010: At least 1.5 million people are currently displaced inside Iraq.
Prewar: 500,000 Iraqis living abroad.
March 2010: Approximately 2 million Iraqis, 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, International Rescue Committee, Committee to Protect Journalists, National Priorities Project, The Brussels Tribunal, United Nations High Commissioner for Refugees (UNHCR) and the U.S. Department of Labor.
AP news researchers Julie Reed and Rhonda Shafner compiled this report.