Today at cnn.com we read that the number of people living in slums is "surging": "Urban migration drives surge in world's slum dwellers."
"A third of the urban population in developing regions lives in slums, according to U.N. Habitat, the United Nations department that focuses on urban development."
One of the slums pictured is Kibera In Nairobi, which I just saw when in Africa.
98% of Central African Republic's town-people live in slums, and 82% of its city people are slum-dwellers. Incredible...