Naturally this list is subjective to an extent, and probably contains some mistakes and things that I missed. However, I think the top 3 are somewhat obvious and its no great surprise why I chose the regimes and dictators that I did. My criteria was their death toll, their reactionary power and influence, and also their plans and the resulting death toll, even if some of those plans were not fulfilled.

10 worst mass killers, regimes and dictators

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