Mapping the Global Population: How Many Live on How Much, and Where
Updated August 13, 2015: This new edition includes corrected estimates for Iceland, Luxembourg, the Netherlands and Taiwan, and some related aggregated data. The global middle-income population is nearing the 1 billion mark. In the 111 countries included in this study, the middle-income population nearly doubled from 398 million in 2001 to 783 million in 2011.[1. […]