#1. HRH Prince Alwaleed Bin Talal Al Saud, Saudi Arabia ($20.4 bn)
For the seventh successive year, HRH Prince Alwaleed tops our annual rich list. Taking into account the latest market values of Kingdom Holding, and an appreciation in the value of many of his key assets, we now place a figure of $20.4bn on his total wealth. This figure has been verified by his private office
From underwater mining to luxury yachts, Mohammed Al Barwani has interests in a staggering range of industries. The chairman of MB Holding explains how he built the firm from scratch to become a billion-dollar player.