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 Experts warn Rachel Reeves’ rumoured property tax proposals could push more HNWs to leave UK Wealth New £10,000-a-year ‘black card’ pitched at next-gen UHNWs Wealth Controversial ‘millionaire migration’ report subject to independent review Spear's