Richest man: Sultan Haji Hassanal Bolkiah Ethnicity: Malay Industry: Oil & Gas Net Worth: $25 billion Source of Wealth: National wealth
*Note: No data on commoners' wealth and foreign sources always attribute him as as country's richest.
Cambodia
Richest man: Oknha Kith (Kit/Keith) Meng Ethnicity: Chinese-Khmer Industry: Investment, Development & Construction Net Worth: Est. $500-700 million Source of Wealth: Self Made
Indonesia
Richest man: Robert Budi Hartono (Huang Hwie Thong) Ethnicity: Chinese Industry: Cigarette Net Worth: $7 billion Source of Wealth: Self Made
Laos
ໂຄດໂກງໝົດຕະກຸນ ສີພັນດອນ Richest man: General Khamtai Siphandon Ethnicity: Lao Industry: Miscellaneous Business Activities Net Worth: Est. $800-860 million Source of Wealth: National wealth
Malaysia
Richest man: Robert Kuok Hock Nien Ethnicity: Chinese Industry: Agricultural plantation, Conglomerates/Multi-Industries Net Worth: $12 billion Source of Wealth: Self made
Myanmar
Richest man: Tay Za Ethnicity: Bamar Industry: Airlines, Conglomerates/Multi-Industries Net Worth: Myanmar secrecy means wealth cannot be correctly estimated, est. $200-300 million and can be far more Source of Wealth: Connection to Myanmar's dictator