Who is the richest man in the world?

It's Amazon CEO Jeff Bezos who has become the first $100 billion mogul to make it to the top of Forbe's annual list of the world's richest people.

Bezos is worth an estimated $112 billion.

Not far behind, in second place, is Microsoft's Bill Gates, with investor Warren Buffet in third.

The only Canadian to make it into the top 100, is media tycoon David Thomson whose fortune is valued at $25 billion.

According to Forbes, there are more than 2,200  billionaires in the world with a combined fortune of  $9 trillion dollars.