I believe life expectancy is a median. I.e. a life expectancy of 80 at birth mea... | Hacker News

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david-gpu on Sept 23, 2020 | parent | context | favorite | on: Older people have become younger

I believe life expectancy is a median. I.e. a life expectancy of 80 at birth means that half of them will die before that age.

Also keep in mind that mortality increases exponentially with age.

ska on Sept 23, 2020 [–]

It is more often reported as a mean.

Either way, it is important to know what is reported when doing comparisons.

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