The 9/11 attack killed 2,973.
Bush has killed or maimed 655,000 Iraqi.
If it could be measured, which is the worst criminal?
Iraq DeathsWar has wiped out about 655,000 Iraqis or more than 500 people a day since the U.S.-led invasion, a new study reports.
Violence including gunfire and bombs caused the majority of deaths but thousands of people died from worsening health and environmental conditions directly related to the conflict that began in 2003, U.S. and Iraqi public health researchers said.
"Since March 2003, an additional 2.5 percent of Iraq's population have died above what would have occurred without conflict," according to the survey of Iraqi households, titled "The Human Cost of the War in Iraq."
The survey, being published online by British medical journal The Lancet, gives a far higher number of deaths in Iraq than other organizations
.