Paleodemografik istatistiklere göre farklı dönemlerdeki insan nüfusu:
MÖ 190,000 2
MÖ 50,000 2,030,625
MÖ 8000 5,000,000
MS 1 300,000,000
1200 450,000,000
1650 500,000,000
1750 795,000,000
1850 1,265,000,000
1900 1,656,000,000
1950 2,516,000,000
1995 5,760,000,000
2011 6,987,000,000
2020 7,772,850,162
2035 8,936,903,068
2050 9,875,704,167
