New World has a list of fastest - growing cities for the super - rich . # Chi Minh ##ong has seen a 400 percent rise in multi - millionaires since 2000 . However , it 's Hong Kong that counts 15,400 millionaires among its population .
New World Wealth compiled list of fastest-growing cities for the super-rich . Ho Chi Minh City has seen a 400 % rise in multi-millionaires since 2004 . However , it 's Hong Kong that boasts 15,400 millionaires among its borders .