Most interesting to me are the nations that are outliers of the curve - nations that appear to be unusually happy or unusually unhappy as based on their life expectancy. Nations in the upper right corner of the graph are ones we’d expect to be happy, as their citizens have long lives (Denmark, Switzerland). In the lower left of the graph, we’ve got nations we’d expect to be unhappy because life is short (Zimbabwe, Burundi).Namibia is a happier country than Japan with a life expectancy almost 40 years shorter.
The other corners are the interesting ones. The upper left corner are nations that are unhappy despite long lifespans. You’ll note some common characteristics to these nations: they’re members of the former Soviet Union. (They’re also very cold, but other chilly nations like Canada, Iceland, and Scandinavia are quite happy…) Despite a long lifespan, Armenia is one of the unhappiest nations on earth (something I can confirm from my visits to the country.)
It’s harder to characterize the lower right corner, where nations are happier than we would expect. Bhutan lives in this corner, which we might expect from the country that invented gross national happiness. And nations that are both very happy and unusually happy include a number of tropical paradises, suggesting that if you, personally, would like to be happy, moving to the Bahamas might not be a bad start.