Privately held wealth on the Chinese mainland hit 80 trillion yuan ($13 trillion) in 2012, with more than 700,000 individuals now holding 10 million yuan or more in investable assets, more than double the number at the end of 2008, according to a new report.

The findings, from China Merchants Bank and US-based management consulting firm, Bain & Co, showed that the richest on the mainland are stepping up their investment in foreign assets as they try to preserve their fortunes in the face of uncertain economic prospects. >>>