This is only correct if you round to the nearest billion people. Around 250 million people live south of the Tropic of Capricorn: https://www.quora.com/What-pr

This is only correct if you round to the nearest billion people. Around 250 million people live south of the Tropic of Capricorn: https://www.quora.com/What-proportion-of-the-worlds-population-lives-south-of-the-Tropic-of-Capricorn https://www.quora.com/What-proportion-of-the-worlds-populati... That would be roughly the 5th most populous country in the world. If we are making generalisations that big we might as well say that no one lives in the United States (population 330M, but rounded to the nearest billion it is zero right?)