Pedestrians walk past a Rolls Royce parked in front of a Beijing hotel.

Asia's millionaires are the most socially conscious investors among their global peers, according to a new report, with Indonesians, Malaysians and Chinese the most keen on putting their cash to work for society's benefit.

But Asian high net worth individuals (HNWIs) are less likely than other regions' HNWIs to entrust their assets to a wealth manager, the Asia-Pacific Wealth Report, released on Thursday by management consultancy firm Capgemini, found.