
The number of ultra-wealthy globally rose 4.2 per cent to 626,619 last year, according to Knight Frank. Getty Images
The number of ultra-wealthy globally rose 4.2 per cent to 626,619 last year, according to Knight Frank. Getty Images
World's ultra-wealthy population to rise by 28% in five years
The US and Middle East will drive wealth creation amid lower interest rates and stock market recovery, Knight Frank report finds