Global historical population data ## Data The population data starts from -1000000 BC to 1990 with the average number of people. There are several population data from the different reports such as: `Deevey,McEvedy and Jones 1978,Durand Low,Durand High,Clark,Biraben,Blaxter,UN,Kremer`. Source: Appendix in Joel E. Cohen, *How Many People Can the Earth Support?*, Norton 1996, ISBN 0-393-31495-2. ## License Public Domain Dedication and License.