| Rank | Name | Title | Residence | Net worth | Source of wealth |
|---|
| 1 | Vajiralongkorn | King of Thailand |  Thailand | $30 billion[1] | Investments derived from theCrown Property Bureau. |
| 2 | Hassanal Bolkiah | Sultan of Brunei |  Brunei | $20 billion[1] | Profits from oil and gas industry. |
| 3 | Salman | King of Saudi Arabia |  Saudi Arabia | $18 billion[1] | Profits from oil industry. |
| 4 | Mohammed bin Rashid Al Maktoum | Ruler of Dubai |  United Arab Emirates | $4 billion[1] | Majority share ofDubai Holding and investments from theAbu Dhabi Investment Authority. |
| 5 | Henri | Grand Duke of Luxembourg (abdicated in 2025) |  Luxembourg | $4 billion[1] | |
| 6 | Hans-Adam II | Prince of Liechtenstein |  Liechtenstein | $3.5 billion[1] | Holdings in thePrince of Liechtenstein Foundation. |
| 7 | Mohammed VI | King of Morocco |  Morocco | $2.1 billion[1] | Investments inSNI andSiger Holdings. |
| 8 | Juan Carlos I | King of Spain (abdicated in 2014) |  Spain | $2 billion — $2.3 billion[2][3] | Oil,[4][5] enterprise and real estate. Current controversy over the money hidden in offshore banks and the $100 million received from Saudi Arabia.[6] |
| 9 | Tamim bin Hamad Al Thani | Emir of Qatar |  Qatar | $1.2 billion[1] | From various enterprises. |
| 10 | Albert II | Prince of Monaco |  Monaco | $1.0 billion[1] | Various enterprises, includingSociété des bains de mer de Monaco and casinos. |
| 11 | Charles III | King of the United Kingdom and otherCommonwealth realms |  United Kingdom | $747 million[7] | From property, jewelry and other assets. SeeFinances of the British royal family. |
| 12 | Beatrix | Queen of the Netherlands (abdicated in 2013) |  Netherlands | $200 million[1] | Real estate, investments, and a stake inShell. |
