8. Osaka
Osaka, Japan, now has 1,485 multi-millionaires, up 2.2 percent from 1,453 last year.
Almost all of the world's top 10 biggest cities for multi-millionaires added more over the past year
Osaka, Japan, now has 1,485 multi-millionaires, up 2.2 percent from 1,453 last year.