Wealth September 8, 2016updated 19 Sep 2016 4:45pm Top 20 Global Locales for Billionaires By Spear's Some cities have a higher propensity for birthing billionaires than others. That’s according to a new report put out by Spear’s in collaboration with consultancy company WealthInSight. Content from our partners How Guernsey’s private trustee structures can protect assets Luštica Bay: The Adriatic’s most coveted address AI, growth and public policy: What is the future for Britain? Related Wealth Tax avoidance or prudent planning? Glastonbury transfer splits opinion Wealth Britain’s wealthy are leaving the UK in record numbers Wealth Will UK reforms stop the scourge of debanking? Spear's