This infographic is based on Digital Consumers, Emerging Markets, and the $4 Trillion Future, a BCG report that debuted at the 2018 Summer Davos in Tianjin, China. Data comes from BCG’s Emerging Market Digital Survey 2018 and Center for Consumer Insight surveys from 2017 and 2018. Other data comes from the Economist Intelligence Unit, eMarketer, Euromonitor, Forrester Research, the International Telecommunications Union, Internet World Stats, Oxford Economics, and the World Bank.