World's most populous countries.

Without looking, just take a guess and name the top 10 most populous countries in the world, in the comments section. When you've done that you can click HERE and check your answers. But please write them out before you click, it will be much more fun that way.

A lot of the "old" ideas we have about the "great nations" of the world are being overturned, at least in terms of population size. Of course, wealth and power of nations is not particularly coordinated with population, so when we think of those 19th century colonial powers we may be still somewhat accurate in the amount of influence they wield in today's world.

Still, it's a bit eye-opening to see which countries have gone from mere afterthoughts prior to the 20th century to significant chunks of the pie of humanity. So many mouths to feed...