According to a Knight Frank survey of wealth advisers, New York (pictured) and London will remain top destinations for the wealthy until 2023. The global number of high net worth individuals - classified as someone with $30 million or more in net assets -- increased by 8,700, or 5%, in 2012. Getty Images
Monaco remains the world's most expensive location to buy prime residential property, with luxury real estate costing up to $5,920 per square foot, the report showed.
Property prices soared in cities including Jakarta (pictured) and Bali, rising by 38% and 20% respectively, as Indonesia's middle classes grew.
ROMEO GACAD/AFP/Getty Images
This image shows Ferrari cars in a square in Guangzhou, south China's Guangdong province on November 22, 2012. Chinese cities including Guangzhou and Shanghai saw double digit growth in the value of prime property, according to the Knight Frank report.
The report also found classic cars have seen a huge appreciation in value over the last decade, with an average price increase 395%. AFP/Getty Images