In rich countries, there are strong correlations between income inequality and imprisonment rates (graph), and between income inequality and homicide rates (graph). As for selection bias, the authors of the graphs took the 50 richest countries over population 3 million for which data was available. Data sources here.
In rich countries, there are strong correlations between income inequality and imprisonment rates (graph), and between income inequality and homicide rates (graph). As for selection bias, the authors of the graphs took the 50 richest countries over population 3 million for which data was available. Data sources here.