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Key Points
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https://www.earth4all.life/news/global-population-could-peak-below-9-billion-in-2050s
March 27—In November 2022, the world crossed a milestone of 8 billion people but new analysis suggests the global population could peak just below 9 billion people in 2050 then start falling.
The new projection is significantly lower than several prominent population estimates, including those of the United Nations. The researchers go further to say that if the world takes a “Giant Leap” in investment in economic development, education and health then global population could peak at 8.5 billion people by the middle of the century.
In the first scenario – Too Little Too Late – the world continues to develop economically in a similar way to the last 50 years. Many of the very poorest countries break free from extreme poverty. In this scenario the researchers estimate global population could peak at 8.6 in 2050 before declining to 7 billion in 2100.
In the second scenario, called the Giant Leap, researchers estimate that population peaks at 8,5 billion people by around 2040 and declines to around 6 billion people by the end of the century. This is achieved through unprecedented investment in poverty alleviation – particularly investment in education and health - along with extraordinary policy turnarounds on food and energy security, inequality and gender equity. In this scenario extreme poverty is eliminated in a generation (by 2060) with a marked impact on global population trends.
UN-E4A_People-and-Planet_Report.pdf file
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climate-2023-UN-IPCC_AR6_SYR_SlideDeck.pdf link
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UNESCO: François Wibaux, f.wibaux@unesco.org, +33145680746
World Water Assessment Programme
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UN-water-unesco.org-Groundwater making the invisible visible.pdf file
Groundwater accounts for 99% of liquid freshwater on Earth and is the source of one quarter of all the water used by humans. Large volumes of fresh groundwater are present below ground surface and distributed over the entire globe; however, this volume of freshwater is irregularly distributed over the continents.
An easy and open access resource to numerous people, leading to common pool characteristics, groundwater offers tremendous opportunities to society for gaining social, economic and environmental benefits and its contribution to satisfying our demand for water is considerable.
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