Australian fatalities at Gallipoli

By month for the Dardanelles (Gallipoli) campaign approximate (April 25, 1915 to January 8, 1916).
Taken from Statistics of the Military effort of the British Empire during the Great War, 1914-1920 (London, 1922).

MONTH KILLED IN ACTION DIED OF WOUNDS DIED OF DISEASE TOTAL DEATHS
April 25-30 643 203 14 860
May 1805 469 24 2,298
June 265 199 9 473
July 143 113 46 302
August 2.054 532 80 2,666
September 145 163 91 399
October 82 84 115 281
November 295 184 120 599
December 50 46 124 220
January 1916 0 19 42 61
Totals 5,482 2,012 665 8,159
        (8,709*)

*A revised estimate, dated January 26, 1919, in the same book gives the total number of Australians killed as 8,709. This larger figure is the accepted official estimate of the total number killed. In all 61,522 Australians lost their lives in the First World War.

As well, an estimated total of 664 Australian officers and 17,260 men were wounded. According to the Official history, 70 Australians were captured on Gallipoli.