Key figures in Iraq since the war began

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

May 1, 2010: 94,000 troops

CASUALTIES:

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.

COST:

Nearly $721 billion, according to the National Priorities Project.

OIL PRODUCTION:

Prewar: 2.58 million barrels per day.

April 28, 2010: 2.40 million barrels per day.

ELECTRICITY:

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.

TELEPHONES:

Prewar land lines: 833,000.

Jan. 2010: 1,300,000.

Prewar cell phones: 80,000.

Jan. 2010: An estimated 19.5 million.

WATER:

Prewar: 12.9 million people had potable water.

April 30, 2010: More than 21.6 million people have potable water.

SEWERAGE:

Prewar: 6.2 million people served.

April 30, 2010: 11.5 million people served.

INTERNAL REFUGEES:

Prewar: 1,021,962.

April 2010: At least 1.5 million people are currently displaced inside Iraq.

EMIGRANTS:

Prewar: 500,000 Iraqis living abroad.

March 2010: Approximately 2 million Iraqis, mainly in Syria and Jordan.