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The Lancet: COVID-19 reduced life expectancy in the world by 1.6 years, new research shows
Global life expectancy has dropped by 1.6 years during the COVID-19 pandemic, a new research shows.
The research published in The Lancet monthly shows that before the pandemic, the average life expectancy in the world was increasing, from 49 in 1950 to more than 73 in 2019.
But during 2019-2021, that trend has changed to the opposite. Those are the first two years of the COVID-19 pandemic, during which mortality reached its peak.
“For adults worldwide, the Covid-19 pandemic has had a more profound impact than any event seen in half a century, including conflicts and natural disasters,” study author Austin Schumacher, an Acting Assistant Professor of Health Metric Sciences at the Institute for Health Metrics and Evaluation at the University of Washington in Seattle, said in a statement.
In 2020-2021, about 16 million people died either from Covid itself or from its consequences. This number of deaths led to a reduction in life expectancy from 73.4 in 2019 to 71.8 in 2021.
The aforesaid study presents updated mortality estimates from a global disease survey in 2021. The researchers studied data from 204 countries and territories. Among them, only 32 countries showed an increase in life expectancy from 2019 to 2021. Among those countries are Australia, New Zealand, Japan, Iceland, Ireland, and Norway, all of these countries have a high level of income.
“Life expectancy declined in 84% of countries and territories during this pandemic," Schumacher said.
Among those countries, Peru and Bolivia showed the largest reduction in life expectancy between 2019 and 2021. Mexico City had a particularly high death rate compared to other subnational regions.
When the researchers looked at age groups separately, rather than pooling them all together, they found that the South African provinces of KwaZulu-Natal and Limpopo had the highest death rate and the highest reduction in life expectancy in the world. These provinces have relatively young populations whose data can skew overall averages about life expectancy, so this study of the data could help determine the true impact of Covid, particularly on the elderly.
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