2. Sheikh Khalifa Bin Zayed Al Nahyan (right): President of the United Arab Emirates
He is the hereditary ruler of the tiny emirate Abu Dhabi, which holds one-tenth of the world's oil reserves. His endeavour is to reinvent the emirate as a 'cultural hub' of the Middle East.
The richest living monarchs today
3. King Abdullah Bin Abdulaziz: Ruler of Saudi Arabia
Age: 83
Going at $19 billion
He became the king in August 2005. Shortly after he took the crown, he began the construction of a $26-billion city named in his honour. He is more cautious about spending money, however, than his half-brother, the late King Fahd.
Abdullah breeds Arabian horses as a hobby. His accomplishments also include the setting up of two libraries in Saudi Arabia and Morocco.
The richest living monarchs today
4. Sheikh Mohammed Bin Rashid Al Maktoum: Ruler of Dubai
Age: 57
Going at $16 billion
The 'CEO of Dubai Inc.' shares his fortunes with his two brothers. In 2007, government-holding companies of Dubai bought big stakes in HSBC and Deutsche Bank and also bid for US retailer Barneys.
The richest living monarchs today
5. King Bhumibol Adulyadej: King of Thailand
Age: 79
Going at $5 billion
Adulyadej, who is the world's longest-reigning monarch, is US-born, Swiss-educated and revered as a deity in Thailand. As an environmentalist, he has a royal car that runs on palm oil.
The richest living monarchs today
6. Prince Hans-Adam II von und zu Liechtenstein (left): Prince of Liechtenstein, a self-named country.
Age: 62
Going at $4.5 billion
His family, whose fortune goes back 900 years, has been collecting art for four centuries. He owns a private LGT bank, real estate and Rice Tec, a US producer of genetically engineered rice.
The richest living monarchs today
7. King Mohammed IV (right): King of Morocco
Age: 44
Going at $2 billion
He is nicknamed the 'king of the poor' on account of his efforts to alleviate poverty and improve human rights. His palace's reported operating budget exceeds $9,60,000 a day,much of which is spent on clothes and car repairs.
The richest living monarchs today
8. Prince Albert II: Prince of Monaco
Age: 49
Going at 1.2 billion
This eligible bachelor inherited the tiny principality of Monaco after his father's death in 2005 (his father, you might remember, married legendary US actress Grace Kelly). He also inherited a fortune in real estate, art and a stake in Monte Carlo's casinos. This year, he hosted functions to pay tribute to his mother, Grace Kelly, who died 25 years ago.
The richest living monarchs today
9. Sheikh Hamad Bin Khalifa Al Thani: Emir of Qatar
Age: 55
Going at $1 billion
He overthrew his father in a bloodless coup in 1995. He is a sports enthusiast and is responsible for bringing events like the Asian Games to the tiny state. He funds the Al Jazeera and its English sister station.
The richest living monarchs today
10. Prince Karim Al Husseini: Aga Khan
Age: 70
Going at $1 billion
Only this year, he celebrated his 50th anniversary as leader of the world's 15 million Ismaili Muslims. He is a suave businessman, operating businesses from France and Switzerland. He also owns large horse farms.
Husseini is currently in the process of divorcing his second wife. His first ex-wife received a reported $20 million after they parted ways.
The richest living monarchs today
11. Queen Elizabeth II: Queen of the United Kingdom
Age: 81
Going at $600 million
The queen, who has been holding on to her throne for quite some time now, keeps an active travel schedule. She has real estate holdings in England and Scotland which are appreciating, and also owns a valuable stamp collection. She is also an amateur photographer and is passionate about Welsh Corgis (a cute, small dog) and horses.
The richest living monarchs today
12. Sheikh Sabah Al Sabah: Emir of Kuwait
Age: 78
Going at $500 million
He took over as emir in 2006 after the crown prince was deemed too ill to ascend the throne following the death of former emir Sheikh Jaber. Soon after he took the throne, however, he voted for a significant raise in the royal family stipend.
The richest living monarchs today
13. Sultan Qaboos Bin Said: Sultan of Oman
Age: 66
Going at $500 million
After six years of living under house arrest, this sultan overthrew his father in 1970. He then began an active modernisation programme after opening up his country to the outside world. His fortune today is tied up in oil. He has funded the restoration of over a dozen mosques.
The richest living monarchs today
14. Queen Beatrix Wilhelmina Armgard: Queen of the Netherlands
Age: 69
Going at $300 million
This dynamic woman wields more power than most of Europe's reigning monarchs: She appoints the country's prime minister and deputies and also signs Bills into laws. Her family fortune includes real estate, equity investments and antiques, which she reportedly actively manages.
The richest living monarchs today
15. King Mswati II: King of Swaziland
Age: 39
Going at $200 million
He is Africa's last absolute monarch, assuming the throne when he was 18 years. His gets his wealth from investments and real estate. He reportedly loves to spend his money, starting with building palaces for each of his 13 wives. He recently held a reported million dollar-plus birthday bash for himself, which critics denounced given the country's poverty and high AIDS rate.