By Vitor Gaspar and Mercedes Garcia-Escribano

 October 11, 2017

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Wealth and poverty side-by-side in Rio de Janeiro, Brazil: inequality is rising within countries around the world (photo: Jean-Marc David/SIPA/Newscom). 

Income inequality among people around the world has been declining in recent decades. This is due to countries like China and India’s incomes catching-up to advanced […]