Elisabeth Rosenthal writes in the New York Times:
“Sub-Saharan Africa, which now accounts for 12 percent of the world’s population, will account for more than a third by 2100, by many projections.”
LAGOS, Nigeria — In a quarter-century, at the rate Nigeria is growing, 300 million people — a population about as big as that of the present-day United States — will live in a country the size of Arizona and New Mexico. In this commercial hub, where the area’s population has by some estimates nearly doubled over 15 years to 21 million, living standards for many are falling. read more.