W. K. Lis
Superstar
In Classical Rome, life expectancy was 20-33.Living past 30 is only possible on a large scale due to man's intervention.
In Early modern England (16th-18th century), it was 33-40.
In 1900, the world average was 45.7.
In 1950, it was 45.7 to 48.
In 2019-2020, it was 72.6 to 73.2.
From link. With COVID-19...
Russia, the US, and Bulgaria had the largest declines in life expectancy when the authors compared real 2020 mortality data with estimated 2020 life expectancy based on 2005-2019 trends. Men experienced the greatest losses with a 2.33-year reduction in Russia, a 2.27-year drop in the US, and a 1.96-year decrease in Bulgaria. Russian women experienced a 2.14-year decline in life expectancy, while US women lost about a year and a half and Bulgarian women lost about a year and one-third.
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