Hundreds of thousands of Iraqis perished Over half a million people have died Over half a million people have died half a million dead 500,000 have died between 100 and 400,000 Source Others 2013 study from war-related causes Over half a million people have died At least 500,000 115,000 civilians were killed half a million half million hundreds of thousands of civilians Iraq appalling total of 504,000 half a million civilians have died in Iraq Hundreds of thousands of Iraqis perished between 100 and 400,000 half a million deaths from war-related causes half a million deaths half million half a million Iraqis have died Hundreds of thousands of Iraqis perished hundreds of thousands of civilians half a million Iraqis have died Source half a million Iraqis have died US-led invasion caused many more civilian deaths half a million dead Hundreds of thousands of Iraqis perished half a million dead half million Iraqis perished half a million civilians have died in Iraq