โลก: 30 ประเทศที่มีประชากรมากที่สุด - Geografispel

There are approximately 196 independent countries in the world, depending who you ask (some countries are not fully recognized by others). Over 7.4 billion people live in those countries, and nearly 3 billion of those live in just China and India. In fact, nearly 80% of the world’s population is concentrated in just the 30 most populous countries, like those you can identify on this quiz.