Alarming future security threat, World population to hit 11 billion by 2100

A new study led by the University of Washington and the United Nations finds that world population is likely to keep growing throughout the 21st century, reaching 11 billion by 2100, about 2 billion higher than widely cited previous estimates. The growth shall be led by Africa, which is forecasted to to quadruple from about 1 billion people to 4 billion by the beginning of the next century. Asia that includes population leaders India and China, will see growth fall off after peaking at 5 billion people in 2050. North America, South America, Europe and the Caribbean will all stay relatively uncrowded with populations below 1 billion.