Civilian casualty ratio
Some 7 million combatants on both sides are estimated to have died during World War I, along with an estimated 10 million non-combatants, including 6.6 million civilians. The civilian casualty ratio in this estimate would be about 59%. Boris Urlanis notes a lack of data on civilian losses in the Ottoman Empire, but estimates 8.6 million military killed and dead and 6 million civilians killed and dead in the other warring countries. The civilian casualty ratio in this estimate would be about 42%. Most of the civilian fatalities were due to famine, typhus, or Spanish flu rather than combat action. The relatively low ratio of civilian casualties in this war is due to the fact that the front lines on the main battlefront, the Western Front, were static for most of the war, so that civilians were able to avoid the combat zones.
Shot at Dawn Memorial
Of the 200,000 or so men court-martialed during the First World War, 20,000 were found guilty of offences carrying the death penalty. Of those, 3000 actually received it, and of those sentences, 346 were carried out. The others were given lesser sentences, or had death sentences commuted to a lesser punishment, e.g. hard labour, field punishment or a suspended sentence (91 of the men executed were under a suspended sentence: 41 of those executed were previously subject to commuted death sentences, and one had a death sentence commuted twice before). Of the 346 men executed, 309 were pardoned, while the remaining 37 were those executed for murder, who would have been executed under civilian law.