There were millions just as there were for the US. They came from around the globe: Australia, New Zealand, Hong Kong, India, South Africa, Scotland, England, and Canada.
This is rubbish
117.000 solders died
The Gurkhas
1,600 British solders were killed in the 1812 war and 3,679 were wounded.
3
2,721 man want to the Gallipoli war
400000
See: Wikipedia World War II Casualties.
Most British officers carried the British Webley .38. -Some had a .455 version instead.
Russia had 12 thousand solders in world war one.
This is impossible to answer. World War 3 has not happened yet. Thus, no soldiers have died.
About 40,400 deaths in all services.