S'ha alliberat aquesta obra al domini públic pel seu autor El T de la Viquipèdia en anglès. Això s'aplica a tot el món. En alguns països això pot no ser legalment possible, en tal cas: El T concedeix a tothom el dret d'usar aquesta obra per a qualsevol propòsit, sense cap condició llevat d'aquelles requerides per la llei.Public domainPublic domainfalsefalse
Note: The above list is only meant to show the data points used to create each version of the "Population curve.svg" image and may contain inaccuracies. Refer to reputable sources for accurate population counts.
Durand, John D., 1974, "Historical Estimates of World Population: An Evaluation," University of Pennsylvania, Population Center, Analytical and Technical Reports, Number 10, table 2.
Haub, Carl, 1995, "How Many People Have Ever Lived on Earth?" Population Today, February, p. 5.
McEvedy, Colin and Richard Jones, 1978, "Atlas of World Population History," Facts on File, New York, pp. 342-351.
Thomlinson, Ralph, 1975, "Demographic Problems, Controversy Over Population Control," Second Edition, Table 1.
United Nations (UN), 1973, The Determinants and Consequences ofPopulation Trends, Population Studies, No. 50., p.10.
Note: The USCB updates the International Database annually. Data from 2018 and later is not yet reflected in this chart.
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Graph of human population from 10000 BCE to 2017 CE. It shows exponential rise in world population that has taken place since the end of the seventeenth century.