1. China has the largest population in the world with over 1.3 billion people, accounting for 19.1% of the global population. India has the second largest population with over 1.2 billion people, accounting for 17.3% of the global population.
2. The United States has the third largest population with 316 million people, accounting for 4.45% of the global population.
3. Indonesia, Brazil, Pakistan, Nigeria, Bangladesh, Russia, and Japan round out the top 10 most populous countries, with populations between 127 million and 237 million people each.