Whereas the population is expected to decrease somewhat until 2100 in Asia, Europe, and South America, it is predicted to grow significantly in Africa. While there were 1.4 billion inhabitants on the continent at the beginning of 2022, the number of inhabitants is expected to reach 3.9 billion by 2100. In total, the global population is expected to reach nearly 10.4 billions by 2100.
Alongside the growing worldwide population, there are negative effects of overpopulation. The increasing population puts a higher pressure on existing resources and contributes to pollution. As the population grows, the demand for food grows, which requires more water, which in turn takes away from the freshwater available. Concurrently, food needs to be transported through different mechanisms, which contributes to air pollution. Not every resource is renewable, meaning the world is using up limited resources which will eventually run out. Furthermore, more species will become extinct which harms the ecosystem and food chain. Overpopulation was considered to be one of the most important environmental issues worldwide in 2020.
Forecast of the world population in 2022 and 2100, by continent
(in billions)
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United Nations. (June 30, 2022). Forecast of the world population in 2022 and 2100, by continent (in billions) [Graph]. In Statista. Retrieved November 03, 2024, from https://www.statista.com/statistics/272789/world-population-by-continent/
United Nations. "Forecast of the world population in 2022 and 2100, by continent (in billions)." Chart. June 30, 2022. Statista. Accessed November 03, 2024. https://www.statista.com/statistics/272789/world-population-by-continent/
United Nations. (2022). Forecast of the world population in 2022 and 2100, by continent (in billions). Statista. Statista Inc.. Accessed: November 03, 2024. https://www.statista.com/statistics/272789/world-population-by-continent/
United Nations. "Forecast of The World Population in 2022 and 2100, by Continent (in Billions)." Statista, Statista Inc., 30 Jun 2022, https://www.statista.com/statistics/272789/world-population-by-continent/
United Nations, Forecast of the world population in 2022 and 2100, by continent (in billions) Statista, https://www.statista.com/statistics/272789/world-population-by-continent/ (last visited November 03, 2024)
Forecast of the world population in 2022 and 2100, by continent (in billions) [Graph], United Nations, June 30, 2022. [Online]. Available: https://www.statista.com/statistics/272789/world-population-by-continent/