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.
British cavalry during the First World War
Although the trench warfare on the Western Front was dominated by the artillery and infantry, the cavalry still suffered 5,674 dead and 14,630 other casualties. For comparison, one infantry regiment—the Northumberland Fusiliers—had 16,000 casualties. Unlike the huge losses in the infantry regiments, only ten cavalry regiments suffered over 200 dead. The 3rd Dragoon Guards, with 333 dead, had the most killed, while the 7th Hussars had eighty dead, one less than the 21st Lancers, which had remained in India throughout the war. The dead included one major general, eleven brigadier generals, but only twenty-eight of the 1,161 lieutenant colonels killed during the war were from the cavalry, several of those after having assumed command of an infantry battalion.