I'm not sure if it matters for the rest of us. It's like when people say oh the average life expectancy 200 years ago was 30! Almost no one died at around 30 years old. You died a child, or you died pretty close to when old people do today. It's just that WAY more children died and it brought the average down.
Likewise, if you look at that ranking, and then rank the provinces according to percentage of the population from regions of the world with high life expectancy, they more or less come out in the same order.
Say you limit it to just "Asians". AB has about 15% of the population selecting some form of that that in the census, 10% more than the other prairie provinces, and it ranks way higher than the other two in life expectancy. BC/ON have the most, they're the highest on both lists.
Correlation versus causation is fascinating.
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Note to self: "The plural of anecdote is not evidence."
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