Quote Originally Posted by Agent Miles View Post
The best info I can find is that the Mongols may have killed 40 million people, so its not even close, really. Also, their expansion ended without the invention and use of a weapon that could destroy all life on Earth.
40,000,000 out of a world population circa 1250AD of 400,000,000 is 10% kill ratio

70,000,000 out of a world population circa 1940AD of 2,500,000,000 is only a 2.8% kill ratio