There were 468,000 homicides around the world in 2010. More than a third (36 per cent) of those are estimated to have occurred in Africa, 31 per cent in the Americas, 27 per cent in Asia, 5 per cent in Europe and 1 per cent in Oceania. The thing is, when broken down by population size, it turns out that The Americas and Africa have roughly the same homicide rates (between 16 and 17/100,000–which is roughly twice the global average of 6.9 homicides per 100,000 people). Those peaceful Europeans? About half the global average.
Those figures come from an exhaustive new study on global homicides compiled by the UN Office on Drugs and Crimes, which also published this map.
Maybe one of the more disturbing, though probably not surprising, findings was just how quickly homicide rates are shooting up in central America. The first map is from 2005. The second 2010.