New data from the United Nations Population Division, nicely illustrated and explained by the Washington Post, will blow your mind. By 2100, Africa will grow from 1 billion to 4 billion people. Nigeria will close in on China. Tanzania will have one of the largest populace in the world. Developed countries will shrink, with the notable exception of the USA, which will grow a lot. And then, there’s this: In one key metric, the dependency index, Europe will have switched roles with Africa by 2100.

From Weekly Filet #121, in July 2013.