Indonesia will post the fastest growth in ultra-high-net-worth individuals worldwide over the five years to 2031, expanding its wealthiest cohort by 81.7 percent.

Data from Knight Frank’s The Wealth Report 2026 shows the country’s population of individuals with a net worth exceeding $30 million will jump from 3,833 in 2026 to 6,966 by 2031.

Southeast Asia claims four of the top ten spots globally for ultra-wealth expansion. Vietnam ranks fourth worldwide with a projected 59 percent increase, lifting its ultra-rich count from 1,233 individuals in 2026. The Philippines takes ninth place with 48.9 percent growth from a base of 1,910 wealthy residents, while Singapore ranks tenth with an expected 46.4 percent gain.

Singapore maintains the largest absolute pool of wealth in Southeast Asia, housing 7,171 ultra-high-net-worth individuals in 2026. Indonesia holds second place, followed by Thailand with 2,853 individuals, the Philippines with 1,910, Malaysia with 1,566, and Vietnam with 1,233.

Together, the combined ultra-wealthy population across Indonesia, Vietnam, the Philippines, Singapore, and Thailand will climb from more than 14,000 people in 2026 to over 22,000 by 2031. That pace adds an average of more than four individuals to the $30 million wealth bracket every single day.

Saudi Arabia and Poland rank second and third globally, each registering projected growth of roughly 63 percent. Australia ranks fifth at 58.5 percent, Sweden sixth at 55.3 percent, the United States seventh at 54.1 percent, and Romania eighth at 49.5 percent.

Indonesia’s domestic market of more than 280 million consumers provides substantial scale for homegrown commercial enterprises.

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