<Li> There are three published official figures for army deaths . One: official figures issued by the British Army in 1921 put their losses at 673,375 dead and missing from all causes in combat theaters . Two: the summary in the 1922 report of the War Office put army and Royal Naval Division dead from the British Isles at 702,410 . The authors of the War Office report did not explain the difference between their figures and the official figures issued in 1921 by the British army, however the difference is more than likely due to the inclusion of the Royal Naval Division and deaths outside of combat theaters . Three: the Commonwealth War Graves Commission database available online identifies by name 758,000 army dead, not including the Royal Naval Division </Li> <Li> The Commonwealth War Graves Commission in 2014 listed 887,858 war dead for the UK and Colonies . This figure also includes the British Mercantile Marine and conscripted civilian laborers from Africa and Asia . According to The Commonwealth War Graves Commission, their statistics are representative of the number of names commemorated for all servicemen / women whose death was attributable to their war service, they do not list the cause of death for these casualties . They do not break down UK losses between the British Isles and the various colonies . The website of the Commonwealth War Graves Commission database lists the names of many of the UK war dead . Access to the database is open to the general public free of charge . These figures include deaths of forces from the UK and Colonies excluding the Dominions and include deaths that occurred after the war up until 31 August 1921 . The CWGC figures include military dead outside of combat theaters and civilian workers conscripted outside of the UK in British military service . </Li> <Li> In 1924, the UK government in a reply to a questionnaire from the International Labour Office, an agency of the League of Nations, reported 5,704,416 men mobilized and 743,702 dead and missing in World War I . </Li> <Li> The report of the UK War Office listed a summary figures from 4 Aug. 1914 up until 31 Dec. 1920 for the army from the British Isles, not including other colonies of 702,410 war dead, 1,662,625 wounded and 170,389 taken prisoner of war . The War Office report lists those "killed in action; died of wounds; died as prisoners of war and missing officers and other ranks whose deaths have been accepted for official purposes". According to the report these figures include the casualties of the army and the Royal Naval Division . </Li>

What nation lost 50 of one generation in world war i