Home to over 335 million people, the United States is the third-most populated country in the world ... cities, primarily in the South, are growing, others are shrinking. Here’s a countdown of ...

Brazil's financial capital and one of the 10 most populated cities in the world went through ... China is home to almost 20% of the world's population but has only 7% of the world's fresh water.

To compile the rankings, researchers compared 182 U.S. cities — comprising the 150 most populated cities ... the so-called marriage capital of the world, where things like haircuts and gym ...