Security Issues Project
Human Population through History
1 A.D. to 2020
click on a map to see larger version
A Population Time Line from The Population Bomb, KQED (PBS)
Maps are from an article by John H. Tanton, "End of the Migration Epoch," reprinted by The Social Contract, Vol IV, No 3 and Vol. V, No. 1, 1995.
each dot represents 1 million people