<P> World population figures, 1950--2000 </P> <Li> <P> Estimated global growth rates, 1950--2050 </P> </Li> <P> Estimated global growth rates, 1950--2050 </P> <Li> <P> Estimated and projected populations of the world and its continents (except Antarctica) from 1950 to 2100 . The shaded regions correspond to the range of projections by the United Nations Department of Economic and Social Affairs . </P> </Li>

When did the world population reach 100 million