FACTBOX: Military and civilian deaths in Iraq

(Reuters) - A U.S. soldier was killed by small arms fire south of Baghdad on Thursday, the military said, announcing a total of six soldiers killed.

A roadside bomb killed four U.S. soldiers in east Baghdad on Wednesday and a soldier was killed south of the capital on Tuesday.

Earlier the U.S. military reported that two U.S. sailors were killed in fighting on Tuesday in Salahuddin province in northern Iraq.

Following are the latest figures for military deaths in Iraq and Iraqi civilians killed in attacks since the U.S.-led invasion in March 2003:

U.S.-LED COALITION FORCES:

United States 3,629

Britain 159

Other nations 129

IRAQIS:

Military Between 4,900 and 6,375#

Civilians Between 67,265 and 73,611*

# = Think-tank estimates for military under Saddam Hussein killed during the 2003 war. No reliable official figures have been issued since new security forces were set up in late 2003.

* = From www.iraqbodycount.net (IBC), run by academics and peace activists, based on reports from at least two media sources. IBC says on its Web site that the figure underestimates the true number of casualties.

The U.S-led military coalition toll includes casualties from Iraq and the surrounding area where troops are stationed.