1990 నాటికి ఆఫ్రికాలో అతిపెద్ద జనాభా కలిగిన దేశం ఏది?
various archipelagos. It contains 54 fully recognised sovereign states (countries), nine territories and two "de facto" independent states with limited or no recognition. The majority of the continent and its countries are in the Northern Hemisphere, with a substantial portion and number of countries in the Southern Hemisphere. Africa's average population is the youngest amongst all the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4. Algeria is Africa's largest country by area, and Nigeria is its largest by population. Africa, particularly central Eastern Africa, is widely accepted as the place of origin of
Nigeria