World War I casualties
The total number of military and civilian casualties in World War I were about 40 million: estimates range from 15 to 19 million deaths and about 23 million wounded military personnel, ranking it among the deadliest conflicts in human history.
Australian Army during World War I
A total of 416,809 men enlisted in the Army during the war and 331,781 men were sent overseas to serve as part of the AIF. A further 3,011 men served in the AN&MEF. The AIF sustained approximately 210,000 casualties, of which 61,519 were killed or died of wounds. This represented a total casualty rate of 64.8 percent, which was among the highest of any belligerent for the war. About another 4,000 men were captured. The majority of casualties occurred among the infantry (which sustained a casualty rate of 79 percent); however, the artillery (58 percent) and light horse (32 percent) also incurred significant losses.