" three quarters of the world’s poorest people now live in middle-income countries. Not because they have moved but because their nations have become better off overall and so have been reclassified by the World Bank as middle-income. Many of those countries, however—including the largest such as China, India, Indonesia and Nigeria—are becoming more unequal, which explains how they can simultaneously be home to most of the world’s poorest people. "

― Kate Raworth , Doughnut Economics: Seven Ways to Think Like a 21st-Century Economist