https://en.wikipedia.org/wiki/Total_fertility_rate https://en.wikipedia.org/wiki/Total_fertility_rate "Population boom: 40% of all humans will be African by en

https://en.wikipedia.org/wiki/Total_fertility_rate https://en.wikipedia.org/wiki/Total_fertility_rate "Population boom: 40% of all humans will be African by end of century": http://www.theglobeandmail.com/news/world/africa-to-experience-population-boom/article19998373/ http://www.theglobeandmail.com/news/world/africa-to-experien... "By the end of the century, almost half the world’s children may be African": http://www.economist.com/news/middle-east-and-africa/21613349-end-century-almost-half-worlds-children-may-be-african-can-it http://www.economist.com/news/middle-east-and-africa/2161334... But apparently the real problem is white, college-educated westerners having too many children. Thanks NPR.