How many soldiers served in the German military from 1935-1945?

From 1935 to 1945, approximately 18 million men served in the German military, known as the Wehrmacht, during World War II. This number includes soldiers from the Army (Heer), Navy (Kriegsmarine), and Air Force (Luftwaffe). The military expanded significantly during this period due to conscription and the mobilization of reserves in response to the war's demands. By the end of the war, the Wehrmacht had become one of the largest military forces in history.