
1. King Buhimol Adulyadej (Thailand) $35 billion
2. Sheikh Khalifa bin Zayed al-Nahayan (United Arab Emirates) $28 billion
3. King Abdullah (Saudi Arabia) $24 billion
4. Sultan Hassanal Bolkiah (Brunei)
5. Sheikh Mohammed Bin Rashid al-Maktoum (Dubai)
6. Prince Hans Adam II (Liechtenstein)
7. Sheikh Hamad bin Khalifa al-Thani (Qatar)
8. King Mohammed VI (Morocco)
9. Prince Albert II (Monaco)
10. Sultan Qaboos bin Said (Oman)
11. Prince Karim Al Husseini (Agha Khan)
12. Queen Elizabeth (Britain)
13. Sheikh Sabah al-Ahmad al-Sabah (Kuwait)
14. Queen Beatrix (Netherlands)
15. King Mswati III (Swaziland)