In a statement today, the UN Assistance Mission in Iraq (UNAMI) said 611 civilians were among 1,103 people killed last month. The rest were members of the security forces.
It said at least 2,280 people were wounded, including 1,353 civilians. Last month's death toll was at least 1,375. It said the most violent city was the capital Baghdad, with 329 civilians killed and 875 wounded.
The UN numbers do not include the third of the country held by the Islamic State extremist group.