There is a day for just about anything, including the world’s population. Did you know that Every July 11th is […] ...

This year will bring "another significant decline of the birth rate" for the majority of countries, new analysis shows.

The population of the United States has grown almost 123 times since the first federal census was conducted after the ...

In their new book After the Spike, demographers Dean Spears and Michael Geruso make the counterintuitive case for worrying ...

Ever wonder how much money there is in the world? The answer is complicated, which you might expect -- but it has nothing to do with tallying up all the numbers. Rather, it’s more about what ...