"Annual growth will soon be negative everywhere except Africa.
Birth rates are falling faster than expected in some developing countries. In the late 1980s Kenya had a fertility rate of 6.5, implying a woman could expect to have that many children. Two years ago the UN reckoned Kenya’s fertility rate would drop to 2.1 (the point at which the population sustains itself naturally) only in the late 2070s. Because of new data, it now thinks Kenya will reach that point a decade earlier.Read all.