Counting Calculi

Better Angels Project

Percentage of Deaths in Warfare in Nonstate and State Societies

The percentage of deaths in warfare for multiple non-state and state societies.

Homicide Rates for Western Europe and Prestate Societies

Long term homicide rates for Western Europe 1300-200 compared to prestate societies.

21 Worst Atrocities in History

The 21 worst recorded atrocities in human history by their absolute and 1950's equivalent death tolls.