Originally Posted by Socks

From wikipedia:

Various scientific surveys of Iraqi deaths resulting from the first four years of the Iraq War estimated that between 151,000 to over one million Iraqis died as a result of conflict during this time.[1] A later study, published in 2011, estimated that approximately 500,000 Iraqis had died as a result of the conflict since the invasion.[2] Counts of deaths reported in newspapers collated by projects like the Iraq Body Count project found 174,000 Iraqis reported killed between 2003 and 2013, with between 112,000-123,000 of those killed being civilian noncombatants.