Rabat - While researchers have long predicted that India’s population will eventually surpass that of China’s, a recent report from the UN expects this to happen as soon as 2022; six years earlier than previous predictions indicated.

The bustling environs of Balogun market in the Nigerian capital Lagos offer a clue as to why the west African nation is predicted to become the third most populous country in the world by 2050
Katie Hall is a student at University of Wisconsin-Madison studying journalism and french.