14. Name Title Residence Net worth Source of wealth
Bhumibol Adulyadej King of Thailand Thailand $30.0 billion Investments derived
(April 2011) from the Bureau of
the Crown Property.
Hassanal Bolkiah Sultan of Brunei Brunei $20.0 billion Profits from oil and
(April 2011) gas industry.
Abdullah bin Abdul King of Saudi Arabia Saudi Arabia $18.0 billion Profits from oil
Aziz Al Saud (April 2011)] industry.
Khalifa bin Zayed Al President of the United Arab Emirates $15.0 billion Investments from
Nahyan United Arab Emirates (April 2011) the Abu Dhabi
Emir of Abu Dhabi Investment Authority.
Mohammed bin Prime Minister of the United Arab Emirates $4.0 billion Majority share
Rashid Al Maktoum United Arab Emirates (April 2011) of Dubai Holding and
Emir Sheikh of Dubai investments from
the Abu Dhabi
Investment Authority