Number of ultra-rich swells to almost 173,000
The world gained an extra 5,300 UHNWIs last year and, as with other people worth $30m or more, they like property and luxury items in a big way
WealthInsight
One in every 35 Londoners is a dollar millionaire, new study shows
UK capital outstrips Tokyo and New York as millionaire capital of the world with 400,000 dollar millionaires among its residents