According to UN calculations, the world's population will cross the 10-billion mark in 2061.
However, as Statista's Katharina Buchholz reports, by the end of the century, this number will have started to decline slightly, having reached a high around 10.3 billion in 2084. Leading up to this reversal, the growth of the global populace has actually been slowing down for decades, as seen in numbers by the UN Population Division. The organization celebrated World Population Day on Saturday.
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While the above figures are according to the UN's medium scenario of moderate fertility, a case where global birth rates sink even more drastically would result in a reversal of population growth already around the early 2060s, at a high of just under 10 billion people on Earth.
This would result in a world population around 9 billion again by the end of the century.
Some academics believe that a global population decline at an even faster rate is possible. According to an widely cited article in medical journal The Lancet publi
