Richest

9. Mohammed VI – King of Morocco

$2.5 billion

8. Hamad bin Khalifa Al Thani – Emir of Qatar

$2.5 billion

7. Hans-Adam II – Prince of Liechentstein

$4 billion

6. Silvio Berlusconi – Prime Minister of Italy

$9 billion

5. Mohammed bin Rashid Al Maktoum – Prime Minister of the United Arab Emirates

$14 billion

4. Khalifa bin Zayed Al Nahyan – King of the United Arab Emirates

$18 billion

3. Abdullah bin Abdul Aziz Al Saud – King of Saudi Arabia

$21 billion

2. Hassanal Bolkiah – Sultan of Brunei

$30 billion

1. Bhumibol Adulyadej – King of Thailand

$40 billion