Sheldon Adelson

Known for: Casinos Current Net worth: 31 Billion Current Age: 81 Primary Residence: USA photo credit

Amancio Ortega

Known for: ZARA Current Net worth: 64 Billion Current Age: 78 Primary Residence: Spain photo credit

Steve Ballmer

Known for: Microsoft Current Net worth: 21 Billion Current Age: 58 Primary Residence: USA photo credit

Christy Walton

Known for: Wal Mart Current Net worth: 41 Billion Current Age: 60 Primary Residence: USA photo credit

Alice Walton

Known for: Wal Mart Current Net worth: 39 Billion Current Age: 65 Primary Residence: USA photo credit

David Koch

Known for: DIVERSIFIED Current Net worth: 42 Billion Current Age: 74 Primary Residence:  USA photo credit

Michael Bloomberg

Known for: Bloomberg LP Current Net worth: 35 Billion  Current Age:  73 Primary Residence:  USA photo credit

LI KA- SHING

Known for: Diversified Current Net worth: 33 Billion Current Age: 86 Primary Residence: Hong Kong photo credit

Lee Shau Kee

Known for: Real Estate Current Net worth: 24 Billion Current Age: 87 Primary Residence: Hong Kong photo credit

Charles Koch

Known for: DIVERSIFIED Current Net worth: 42 Billion Current Age: 79 Primary Residence:  USA photo credit