Forbes has compiled a list of the top 20 wealthiest billionaires in 2014. Every year people are added and removed from this exclusive list.
The biggest gain in wealth belongs to Facebook CEO, Mark Zuckerburg. In the last year he has added $15.2 billion to his fortune.
The youngest billionaire on this list is 24 year old Perenna Kei from Hong Kong.
For more interesting facts, check out the infographic below.