In a new series looking at numbers behind the news, FT statistics journalist Federica Cocco and data journalist John Burn-Murdoch investigate whether companies are hiding behind philanthropic giving while avoiding tax br br Rutger Bregman’s comments at Davos: br br Total corporate tax avoidance across the world is around $500bn annually br br Evasion in the EU alone is at least €750bn according to new research from Richard Murphy of Tax Research br br HMRC puts the total tax gap at £33bn br br Amazon taxes and profits: br Bezos Day One Fund br br Microsoft offshore profit shifting - Senate report br New York Times investigation into companies holding money offshore br Bill & Melinda Gates Foundation donations br br Charitable giving: which causes get funding?