The 15 most billionaire dense countries

There are 1826 billionaires in the world and there are some countries that have hundreds of them.

However, while nations like China may house some of the world's richest people, with 400 billionaires, it doesn't actually have the highest number of billionaires in proportion to the population.

Approved Index, a UK-based business-networking group, crunched the numbers from Forbes' 2015 billionaire list using this week's data and found that the most billionaire-dense nations across the world are pretty surprising.