From Wealth-X:
World Ultra Wealth Report 2011: Uncovering Pockets of Opportunities
The fortunes of the world’s ultra high net worth (UHNW) individuals have surpassed $25 trillion and is set to increase, spurred by the growth of developing Asia. Wealth-X estimates that the global market of UHNW individuals has reached 185,795. Wealth-X forecast that the UHNW population in Asia-Pacific will surpass that of Europe in 2024 and overtake that of the U.S. in 2032.