Iraq: Key figures since the war began

--October 2007: 170,000 at peak of troop buildup.

--Oct. 31, 2009: 117,000

CASUALTIES:

--Confirmed U.S. military deaths as of Nov. 2, 2009: at least 4,354.

--Confirmed U.S. military wounded (hostile) as of Nov. 2, 2009: 31,545.

--Confirmed U.S. military wounded (non-hostile, using medical air transport) as of Oct. 3, 2009: 38,917.

--U.S. military deaths for Oct. 2009: 8, the same as July 2009 for the lowest monthly death toll since the war began.

--Deaths of civilian employees of U.S. government contractors as of Sept. 30, 2009: 1,442.

--Iraqi deaths in Oct. 2009 from war-related violence: at least 364, the fourth deadliest month this year. Many of the deaths were due to two vehicle bombs that exploded in Baghdad on Oct. 25th. September saw relatively fewer casualties, with 238 killed, and was the second least deadly month for Iraqis since the AP began tracking war-related violence in May 2005.

--Assassinated Iraqi academics as of Sept. 18, 2009: 431.

--Journalists killed on assignment as of Nov. 2, 2009: 141.

COST:

--Close to $697 billion, according to the National Priorities Project.

OIL PRODUCTION:

--Prewar: 2.58 million barrels per day.

--Oct. 28, 2009: 2.50 million barrels per day.

ELECTRICITY:

--Prewar nationwide: 3,958 megawatts. Hours per day (estimated): 4-8.

--Sept. 30, 2009: Nationwide: 6,440 megawatts. Hours per day: 15.2.

--Prewar Baghdad: 2,500 megawatts. Hours per day: 16-24.

--Sept. 30, 2009: Baghdad: N/A. Hours per day: 15.6.

TELEPHONES:

--Prewar land lines: 833,000.

--Oct. 4, 2009: 1,250,000.

--Prewar cell phones: 80,000.

--Oct. 4, 2009: an estimated 19.5 million.

WATER:

--Prewar: 12.9 million people had potable water.

--Oct. 12, 2009: 21.2 million people have potable water.

SEWERAGE:

--Prewar: 6.2 million people served.

--Oct. 12, 2009: 11.5 million people served.

INTERNAL REFUGEES:

--Oct. 16, 2009: at least 2.7 million are currently displaced inside Iraq.

EMIGRANTS:

--Prewar: 500,000 Iraqis living abroad.

--Oct. 16, 2009: An estimated 2 million.

All figures are the most recent available.

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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.

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AP news researchers Julie Reed and Rhonda Shafner compiled this report.