Top 10 Richest Kings in the World
The ten richest reigning kings and princes, from absolute monarchs with oil revenue to constitutional heads of state.
Last reviewed: Read our methodology
The ranking at a glance
The top three in this ranking, based on our dated estimates.
The richest kings in the world
- 1
Hassanal BolkiahOil and gas revenue, Brunei Investment Agency · Nov 3, 2026$30B - 2
Maha VajiralongkornCrown Property Bureau assets · Nov 3, 2026$30B - 3
Salman bin Abdulaziz Al SaudRoyal family wealth and state revenue · Nov 3, 2026$20B - 4
Hans-Adam IILGT Bank, royal collections, property · Nov 3, 2026$10B - 5
Mohammed VIAl Mada holding and palace assets · Nov 3, 2026$6B - 6
Prince Albert IISociété des Bains de Mer and Monaco property · Nov 3, 2026$1B - 7
Charles IIIThe Duchy of Cornwall and private estates · Nov 3, 2026$800M - 8
Abdullah IIFamily investments and property abroad · Nov 3, 2026$750M - 9
Mswati IIIState-linked royal holdings · Nov 3, 2026$200M - 10
NaruhitoPersonal savings and imperial household allowance · Nov 3, 2026$10M
| Rank | Person | Estimated net worth | Main wealth source | Estimate date |
|---|---|---|---|---|
| 1 | $30B | Oil and gas revenue, Brunei Investment Agency | ||
| 2 | $30B | Crown Property Bureau assets | ||
| 3 | $20B | Royal family wealth and state revenue | ||
| 4 | $10B | LGT Bank, royal collections, property | ||
| 5 | $6B | Al Mada holding and palace assets | ||
| 6 | $1B | Société des Bains de Mer and Monaco property | ||
| 7 | $800M | The Duchy of Cornwall and private estates | ||
| 8 | $750M | Family investments and property abroad | ||
| 9 | $200M | State-linked royal holdings | ||
| 10 | $10M | Personal savings and imperial household allowance |
Behind the fortunes
A closer look at each name on this list: how the money was made and where it sits today.
1. Hassanal Bolkiah
$30BHassanal Bolkiah has ruled Brunei as an absolute monarch for more than five decades. The state’s oil and gas income and the Brunei Investment Agency underpin the royal fortune.
View Hassanal Bolkiah's profile2. Maha Vajiralongkorn
$30BMaha Vajiralongkorn took the throne in 2016 and later had the Crown Property Bureau’s assets placed under his personal management, which raised published estimates of the royal fortune.
View Maha Vajiralongkorn's profile3. Salman bin Abdulaziz Al Saud
$20BSalman bin Abdulaziz became king in January 2015 after the death of his half-brother Abdullah, having spent five decades as governor of Riyadh.
View Salman bin Abdulaziz Al Saud's profile4. Hans-Adam II
$10BHans-Adam II has been prince of Liechtenstein since 1989. The family’s Principality of Liechtenstein Foundation owns LGT Bank and property in Vienna and Austria.
View Hans-Adam II's profile5. Mohammed VI
$6BMohammed VI is both head of state and, through the royal holding structure, a central figure in Moroccan business. That combination makes his fortune one of the largest in Africa.
View Mohammed VI's profile6. Prince Albert II
$1BAlbert II inherited a monarchy whose finances are bound up with Monaco’s casinos, hotels and property market. His personal wealth is smaller than the state’s reserves but still substantial.
View Prince Albert II's profile7. Charles III
$800MCharles spent seventy years as heir before becoming king, and the Duchy of Cornwall gave him an income that grew into a private fortune. The Crown Estate, by contrast, belongs to the state.
View Charles III's profile8. Abdullah II
$750MAbdullah II has ruled Jordan for more than two decades in a region where his country depends on foreign aid. Reports of his personal property holdings abroad are the main basis for the estimate.
View Abdullah II's profile9. Mswati III
$200MMswati III rules a small country where the monarchy controls a large part of the economy. His personal wealth is difficult to separate from royal assets held in the national interest.
View Mswati III's profile10. Naruhito
$10MNaruhito acceded in 2019 after his father’s abdication. Japan’s imperial family holds little private wealth, and most of what surrounds it is state property rather than personal assets.
View Naruhito's profile
How this list is compiled
Every entry is pulled from our shared profile dataset and sorted by estimated net worth in US dollars. Each estimate adds up documented assets, such as reported contracts, endorsement income, company stakes and property, and subtracts known debts. These are editorial estimates, not financial advice.
Read our methodology