Interesting facts about world countries

Curious how the population of the world has changed in the last sixty years? Curious how the population of the world will evolve in the next ninety years? Check out our world population evolution chart.

See which are the 500 largest world cities.

Learn the flags of world countries and learn why they look the way they do.

See how currencies of world countries compare to each other. Use the currency converter to quickly convert from one currency to another. See the exchange rates and currency converter.