Tags Viet Nam's number of ultra-high-net worth individuals (UHNWIs Viet Nam's super wealthy likely to get richer Saturday, Mar 14, 2015 Viet Nam''s number of ultra-high-net worth individuals (UHNWIs) - people who have US$30 million or more in total assets - is set to double by 2024, according to the 2015 Wealth Report by Knight Frank.