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.
France–India relations
The British Raj and Princely States of India suffered the greatest World War I casualties amongst dominions, colonies, protectorates, mandates and other territories of the British Empire. It is estimated that between 64,449 and 73,895 Indians died in Europe during the First World War (compared to between 59,330 and 62,081 Australians and between 58,639 and 64,997 Canadians).