Is there any estimate of the number of people that were killed during the invasions and conquests of Alexander and Genghis Khan?

At least can tell me which one killed more people?
What percent of them were military vs civilian?

  • 2
    I have seen an estimate of "millions" for Horde victims. The source was a fiction book (obviously with no citations), but the author was a historian by trade, and one with an unusually respectful attitude for the Horde. – DVK Jan 25 '13 at 19:38
  • What percent of them were military vs civilian? A nearly irrelevant distinction given the time. Down vote for a badly framed question (Just losing that element of it will improve it). – KorvinStarmast May 30 '17 at 17:17

Such estimates are pretty difficult. Even for WWII there is no universal agreement over the number of dead - and that's for a relatively recent event that was extensively documented.

However, I think one can say from the record that the civilian/military ratio among Genghis Khan's victims was much higher than that of Alexander's. (To wit, Genghis Khan would raze whole cities and kill all the inhabitants - something Alexander never did, except for the one singular case of Thebes).

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    Even here, how sure are we really? We are relying entirely on histories written by people who feel a lot of cultural affinity with the ancient Greeks, and none at all for the nomadic Mongols. – T.E.D. Jan 25 '13 at 20:06
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    Also, Alexander typically sold civilians to slavery - different times, different customs, a comparison is pointless. – yannis Jan 25 '13 at 23:16
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    @T.E.D.: Not sure about that, actually. The en.wikipedia.org/wiki/The_Secret_History_of_the_Mongols seems to have little anti-Mongolian bias... – Felix Goldberg Jan 26 '13 at 1:09
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    Since the population density in the age of Genghis Khan was significantly higher, and mongols tend to destroy whole area's agriculture to have pasture, it is rather likely thar the Mongols beat Alexander any time. – Greg Oct 30 '16 at 8:43
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    civilian/military ratio is an irrelevant distinction, even an anachronism, particularly given the time. I don't think we should encourage badly framed questions with answers that fall into their traps, Felix. – KorvinStarmast May 30 '17 at 17:18

Alexander also raised the city of tyre to the ground and built a new city in its place, and the burning and looting of the Persian city of Persepolis (spelling), there where also a number of small Bactrian cities/forts that refused to surrender that he killed everyone. Between civilians and military I would say somwhere between 800'000 and 1.2 million, this is just a guess though. In ancient battle a defeated force was much more likely to be completely wiped out.

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    Tyre was destroyed, but Tyrian civilians were sold to slavery, not killed. Thebes is the only example (we know of) where the civilian population was slaughtered. – yannis Jan 28 '13 at 16:02

It is estimated that genghis Khan killed around 40 million. This is an estimate but that is a similar amount to Stalin and more than Hitler.

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    Do you have a source for that figure? – Steve Bird Oct 27 '16 at 22:25
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    How is that more than Hitler? It seems that people forget that besides commiting genocide against Jews and Roma, Hitler started a war that killed several million people. Why would those killed in such war go to Stalin's body count instead of Hitler's? – Luís Henrique Apr 21 '17 at 21:55

With Alexander the Great it's hard to say due to lack of information, which is caused by the bad record keeping in those days combined with the fact that the west considers him a hero. However, estimates go from anywhere between 100,000 and several millions. A realistic number is hard to determine but I'd say 300,000-400,000 is most likely accurate. As for Genghis Khan, his horde has killed 10,150,000 people in the Khwarezmid Empire alone, reducing the former Empire's population by 90%. Meanwhile, the population of China plummeted by 40 million during his rule. If we exclude deaths he can't be held accountable for, we'll end up at about 27 million. The remaining conquests probably killed a few hundred thousand too. If we add up the numbers, Genghis Khan ends up at about 38.5 million, earning him the title 'worst mass murderer' with an advantage of millions of people killed in front of #2, which would be Timur with 17 million.

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