More than 50% of Ethiopia's population is under 20 years old

Added: 05/04/2012 from Nielsen Published: 05/03/2012

Niger has the youngest population by median age in 2011, at 15.4 years, followed by Uganda (15.7 years) and Mali (16.2 years) more...

70% of the population of sub-Saharan Africa is under 30 years old more...

83% of Orkut users are under 35 years of age more...

69% of deviantART users are under 35 years of age more...

69% of Hacker News users are under 35 years of age more...