Business Number of ultra-rich swells to almost 173,000 Editorial TeamonMarch 5, 2015/Comments closed The content previously published here has been withdrawn. We apologise for any inconvenience. Tagged: Article Asia’s wealthiest 2015 business classic cars Financial Julia Kollewe Knight Frank Knight Frank Wealth Report London London ultra-rich 2015 Main section New York news Number of ultra-rich 2015 private jets Rare stamps and coins Real estate Rich lists Singapore ultra-rich 2015 superyachts The Guardian UHNWIs UHWI population 2015 UK news ultra high net worth individuals ultra-rich US news Wealth taxes WealthInsight women's watches World news world’s super-rich numbers