World War I casualties
The total number of deaths includes from 9 to 11 million military personnel. The civilian death toll was about 8 million, including about 6 million due to war-related famine and disease. The Triple Entente (also known as the Allies) lost about 6 million military personnel while the Central Powers lost about 4 million. At least 2 million died from diseases and 6 million went missing, presumed dead. This article lists the casualties of the belligerent powers based on official published sources.
History of the United Kingdom during the First World War
The civilian death rate exceeded the prewar level by 292,000, which included 109,000 deaths due to food shortages and 183,577 from Spanish Flu. The 1922 War Office report detailed the deaths of 1,260 civilians and 310 military personnel due to air and sea bombardment the home islands. Losses at sea were 908 civilians and 63 fisherman killed by U-boat attacks.