By January 1945, according to Wehrmacht Monthly Casualty Reports, between June 1941 and the end of 1944, the German army had lost killed in action 1,091,962 soldiers in the Eastern front and 107,024 soldiers in the Western front, Italy, North Africa and the Mediterranean combined. So 91.1% of the German KIA in active fronts was in the Eastern front during the 1941-1944 period.
Including losses of the air-force and the navy, the Wehrmacht lost 1,153,470 soldiers killed in action in the Eastern front and 178,552 soldiers killed in the western front, Italy, North Africa and Mediterranean combined. That's 86.6% of KIA in the Eastern front in all branches of the armed forces combined.
