After my last post, some social justice minded readers asked about the relationship between unhappiness (as measured by suicide rates) and inequality, as measured by the GINI index (recall that the GINI index ranges from 0 to 100, the former corresponding to communist paradise, and the later to ancient Egypt). Luckily, the World Bank, in its munificence, has the requisite data, and so the results were not long in coming.

Suicide rate vs GINI index

The reader can see that the least egalitarian countries have the lowest suicide rates. Before we yield to temptation of using this study to yet again condemn socialism, we should note, as before, that correlation does not imply causation, and the countries with the higher GINI all tend to be in South America, and the ones with the lowest in central Europe, so there are many factors. Still, the numbers are what they are. What is particularly interesting is that the GINI index is negatively correlated with the GDP per capita, since the countries with the highest GINI index are essentially feudal, so what we have here are three quantities which are pairwise negatively correlated (not a mathematical surprise, exactly, but still fairly unusual).

Gini vs GDP

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