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The world population could begin to decline as early as the second half of the century


A new study revises UN projections downwards in terms of population growth. The population could peak at 9 billion before 2050, then gradually decline.

Human beings were barely a billion in 1800. They are officially more than 8 billion since last year.

According to the latest UN estimates, the world's population is expected to continue to grow to 9.7 billion people in 2050, then peak at 10.4 billion in the 2080s before declining slightly by the end. of the century.

Growth mainly driven by African countries, where one in three people will live in 2100.

These United Nations projections are a reference.

A new study by researchers from the Earth4All initiative for the Global Challenges Foundation, however, has revised them downwards.

The authors of this work published Monday by the Club of Rome argue that the UN approach "

is based exclusively on demographic data to extrapolate a historical trend

 ", without taking into account the mechanisms underlying these developments.

Their Earth4All model “

simulates the complex links between trajectories…

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Source: lefigaro

All tech articles on 2023-03-27

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