6.Masayoshi Son
Up next we have Masayoshi Son.
Net worth: $19.7 billion
Country: Japan
Source: Self made, internet, telecom
Japan’s richest man, Masayoshi Son is the founder and current chief executive officer of SoftBank, the chief executive officer of SoftBank Mobile, and current chairman of Sprint Corporation.
Son was the 45th most powerful person in the world in 2013. Having this much money and power, Son bought the most expensive house in the U.S., a $117 million estate in California, in 2012.