World population to reach 9.7B in 2050

UNITED Nations: The world population is expected to climb to 9.7 billion in 2050 from 7.7 billion today, with the population of sub-Saharan Africa doubling, said a United Nations (UN) report released Monday (Tuesday in Manila).

The population could then grow to 11 billion by 2100, according to the UN Department of Economic and Social Affairs’ “World Population Prospects” report.