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From antiquity until the beginning of the Industrial Revolution, the global population grew very slowly, at about 0.04% per year. After about 1800, the growth rate accelerated to a peak of 2.1% annually during the 1962–1968 period, but since then, due to the worldwide collapse of the total fertility rate, it has slowed to 0.9% as of 2023. [2]
Based on this, the UN projected that the world population, 8 billion as of 2023, would peak around the year 2086 at about 10.4 billion, and then start a slow decline, assuming a continuing decrease in the global average fertility rate from 2.5 births per woman during the 2015–2020 period to 1.8 by the year 2100 (the medium-variant projection).
(The Center Square) — New York's population could decline by more than 2 million people over the next 25 years as fewer people are born in the state and more people move out, according to a new ...
BRENDAN SMIALOWSKI,MANDEL NGAN/AFP via Getty Images. ... “The biggest problem the world will face in 20 years is population collapse. ... "Population collapse due to low birth rates is a much ...
According to a 2020 study published in Scientific Reports, if deforestation and resource consumption continue at current rates, they could culminate in a "catastrophic collapse in human population" and possibly "an irreversible collapse of our civilization" in the next 20 to 40 years. According to the most optimistic scenario provided by the ...
Economists and policymakers are expressing concern over the sharp decline in birth rates in many countries, but the UN predicts that the world's population will continue to grow until the mid ...
The 1972 book The Limits to Growth discussed the limits to growth of society as a whole. This book included a computer-based model which predicted that the Earth would reach a carrying capacity of ten to fourteen billion people after some two hundred years, after which the human population would collapse. [7]
But, over the past 130 years, the indigenous population has recovered and now makes up 45% of the 7,800 inhabitants of the island, also known as Rapa Nui – and part of Chile since 1888.