It is possible Australia suffered the least Battlefield deaths when the port town of Darwin was attacked. Russia suffered the most battlefield deaths, well over 15 million with millions more killed outside of battle.
the soviets
Japan probably.
Of the Allied Powers, Russia suffered the most military deaths, with 2,254,369 total. Of the Central Powers, the German Empire suffered the most military deaths, with 2,037,000 total.
The Russians .
france.because much of northern France had been a battlefield.
Nepal has suffered the most deaths on Mount Everest with its Sherpas. The Sherpas are always out doing the most dangerous jobs on the mountain, making the route, placing ropes or working in the icefall, it is these jobs that suffer from the most deaths.
It was Germany for the most with 2,036,897 and Japan would probably be the least with 415.
In World War 2, Germany suffered more casualties than either Italy or Japan. Only Russia and China suffered more casualties than Germany.
The USSR, suffered numerous millions of deaths, mainly on the eastern front.
The Soviet Union with at least 20 Million and as many as 50 million deaths.
dresden