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.
Battle of the Somme
The Battle of the Somme was one of the costliest battles of World War I. The original Allied estimate of casualties on the Somme, made at the Chantilly Conference on 15 November 1916, was 485,000 British and French casualties and 630,000 German. As one German officer wrote,