The life expectancy metric is obvious and clearly the best possible measure of health.
I would be happier with a wealth metric that better respected cost-of-living variations from place to place. Clearly these numbers have been adjusted for inflation over time. But a better metric would be something like percent of income spent on food. The big trend would be similar, but the differences between the west and the rest would not be quite as large; I think.
If this video doesn't brighten your day then I have to question whether you have a heart and a brain.
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