What would the world look like without the biggest countries by population? According to the World Atlas, there are currently 13 countries in the world with populations with more than 100 million people. These countries include China, India, the United States, Brazil, Indonesia, Pakistan, Nigeria, Bangladesh, Mexico, Russia, Japan, the Philippines and Ethiopia. Without these population giants, what's left? Surprisingly, a lot! Most of the countries in Europe, Africa and South America remain — plus Canada!