Saudi Arabia is expected to see the fastest growth in its billionaire population worldwide by 2031, with the number of billionaires projected to increase by 183%. [1, 2, 3] This surge reflects the country's expanding economic diversification and government investment plans driving wealth creation. [1, 2, 3]
Poland ranks second globally with a predicted 123% rise in billionaires by 2031. [1, 2, 3] In Southeast Asia, Indonesia leads with a projected 49% growth, ahead of Malaysia at 39%, which ranks 15th worldwide. [1, 2]
Other notable countries with rapid billionaire population growth include Sweden (81%), Australia (77%), Denmark (75%), Japan (65%), Mexico (63%), and the Philippines (63%). [1, 2] These increases come amid broader shifts in billionaire hotspots toward the Middle East, Southeast Asia, and parts of Eastern Europe. [1, 2, 3]
Despite these trends, the United States and China will remain home to the largest total billionaire wealth, though their billionaire populations are expected to grow more slowly compared to emerging markets. [1, 2] The U.S. is forecasted to see a 54% growth in super high net worth individuals with assets over $30 million. [1, 2]
The projected growth rates are drawn from the Knight Frank 2026 Wealth Report, which highlights evolving wealth patterns over the next decade. [1, 2, 3]
The data suggests significant wealth expansion in emerging economies driven by industrial expansion and government initiatives. Saudi Arabia’s projected 183% increase marks it as the fastest-growing billionaire population globally through 2031. [1, 2, 3]