Lancet Iraq Mortality Study

Study of mortality (all causes) in Iraq 14.6 months before invasion and 17.8 months after invasion, conducted in Sep. 2004.

Citation: L. Roberts, et al, "Mortality before and after the 2003 invasion of Iraq: cluster sample survey." The Lancet, Volume 364, Issue 9448, 20 November 2004-26 November 2004, pp.1857-1864

• 1.5-fold higher mortality in period after invasion than before, excluding Falluja cluster (one of 33 clusters)
• Estimate of 98,000 post-invasion deaths (all causes) at the 95% confidence interval (so a range of 8,000-194,000)
• 24% of deaths (23,520) attributed to violence of any kind, not just coalition attack.
   
• If Falluja cluster is included, then 2.5-fold increase in mortality, and violence accounts for 51% of deaths

• 84% were attributed to US, but only 5% involved small-arms fire
• 46% of US violent deaths were of men (age 15-60; 46% were children under 15