The world's wealthiest cities in 2025: Of the top 50 international HNW hubs, only the UK & Russian capitals have seen their millionaire populations decline over the last decade.
The rich continue to get richer - but the UK is now home to just 2.4% of the world's high net worth individuals, according to Knight Frank's flagship annual research publication, The Wealth Report.
It's a "super-rich explosion", declares Henley & Partners, as the number of individuals with more than US$100mn to their name soars - but "the geography of extreme affluence is shifting".