London-based Centre for Policy Studies Report on SuperEntrepeneurs

The London-based Centre for Policy Studies identified nearly 1,000 SuperEntrepreneurs from 53 countries by analyzing Forbes' list of the world’s richest people from 1996 to 2010.
To qualify as a SuperEntrepreneur, a business person had to have earned at least $1 billion. The report did not include those who had inherited their billions, or inherited a smaller fortune and had grown it into a billion-dollar sum.

Read more: http://www.entrepreneur.com/article/233466##ixzz30RAUgJaP

http://www.businessinsider.com/where-are-self-made-billionaires-from-2014-4?IR=T