Carlos Slim Helu is the world’s richest man for the fourth year in a row. He clocks in at $4 billion more than a year ago, thanks to surging stock prices at his financial arm, Grupo Financiero Inbursa, and at his Grupo Carso industrial and retail giant. [Link]

The first Arab Billionaire is Prince Al Waleed Bin Talal with $20 billion, followed by Mohammad Al Amoudi with $13.5 billion. Both are from Saudi Arabia.

As far as Lebanese billionaires are concerned, Prime Minister Najib Mikati tops the list for the second year in a row with $3.5 billion dollars followed by his brother Taha Mikati with the same amount. The richest of the Hariris is Bahaa with $2.4 Billion then ex-PM Saad Hariri with $1.9 Billion dollars.

You can check out the full list of billionaires as of 2013 [Here].