historyWikipediaMiddle Ages · Europe

Life expectancy at birth in medieval England was low, but adults who survived childhood often lived into their 60s

the gist

When historians say life expectancy in the Middle Ages was in the 30s, they mean life expectancy at birth. That figure was pulled down heavily by infant and adolescent deaths, which were very common at the time. Once someone got through childhood, their odds were much better. A 21-year-old man in medieval England could expect to live to about 64. So the idea that most adults died in their 30s or 40s is a misreading of the numbers.

so what

This matters because averages can mislead: the same statistic can describe a child's risk and an adult's chances, and confusing the two distorts how we picture the past. It also explains why medieval people were not as short-lived as popular history often suggests.

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