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.
Hay, New South Wales
During the First World War 641 men enlisted for service from Hay and the surrounding district, one of the highest per capita enlistment rates in Australia.  Of the men who enlisted one-in-six died during the war, with devastating effect on the close-knit communities of the Hay district.