The US formally ends its combat operations in Iraq at the end of August, marking a new phase in the seven-year conflict which has cost billions of dollars and many thousands of lives.

The onus of ensuring Iraq's security and rebuilding the devasted country now rests with Iraqi leaders, even though they have yet to form a new government almost six months after an election.

Almost every figure related to the war is disputed, with none more keenly debated than the total number of Iraqi deaths. This is a summary of some of the key numbers and the arguments surrounding them.


http://www.bbc.co.uk/news/world-middle-east-11107739