Subject: Re: OT: Highest Life Expectancy Countries
There are just far too many confounding factors affecting life expectancy to derive explanatory causes from a simple country ranking like this.

Differences in lifestyle choices (e.g., smoking, alcohol, exercise, diet), environmental factors like pollution, regional genetic differences affecting lifespan, differences in healthcare outcomes, just to name a few.

It's fun to look at and wonder/speculate, and even more fun to pin high or low life expectancy in certain countries on our own pet theories, but it's nothing more than speculation without heavy research to try to quantify and account for all those differences.