In World War II, what was the reason that so many more Allied soilders and civilians died than Axis ones, even though the Allies won the war?

by pledge42
Grubnar

Although Germany, Italy, and Japan were devastated, especially in the later stages of the war, most of World War II was fought in Allied territory. The worst fighting (and atrocities) happened in China, and eastern Europe, Poland, Belarus, Ukraine, and of course, Russia.