Human population decline is a reduction in population size. The world population growth rate peaked in 1963 at 2.2%,[1] and has since halved. Currently, just about half of the world’s population is below replacement.[2]
Further reading
Bricker, Darrell Jay & John Ibbitson (2019) Empty Planet: The Shock of Global Population Decline, New York: Crown.
Piper, Kelsey (2019) We’ve worried about overpopulation for centuries. And we’ve always been wrong., Vox, August 20.
Related entries
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Roser, Max, Hannah Ritchie & Esteban Ortiz-Ospina (2013) World population growth, Our World in Data, May 9.
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Gietel-Basten, Stuart & Sergei Scherbov (2019) Is half the world’s population really below ‘replacement-rate’?, PLOS ONE, vol. 14.