https://www.quora.com/If-a-large-proportion-of-German-men-were-killed-in-World-War-2-how-did-German-women-find-partners-after-the-war-How-many-German-women-stayed-single-as-a-result-of-not-being-able-to-find-a-partner-after-the-war

David Glantz in his book "When Titans Clashed" puts the total German casualties (including wounded) at over 11 million (6 million wounded, 5 million dead). 11 million was 75% of the entire German Army and 46% of the German male population in 1939.

https://www.quora.com/If-a-large-proportion-of-German-men-were-killed-in-World-War-2-how-did-German-women-find-partners-after-the-war-How-many-German-women-stayed-single-as-a-result-of-not-being-able-to-find-a-partner-after-the-war

David Glantz in his book "When Titans Clashed" puts the total German casualties (including wounded) at over 11 million (6 million wounded, 5 million dead). 11 million was 75% of the entire German Army and 46% of the German male population in 1939.