Which Six Countries Hold Half The World's Population?

As of this month, the world's population is now 7.2 billion, according to the United Nations. Also according to the U.N., half of the people around the globe (3.6 billion) live in just a half-dozen countries.
China has the world's largest population (1.4 billion), followed by India (1.3 billion). The next most-populous nations - the United States, Indonesia, Brazil and Pakistan - combined have less than 1 billion people.