The extraordinary development of the emerging economies has been associated with increasing incomes and rising inequality. In the developed world, the integration between emerging and mature economies also has been accompanied by rising inequality, most profoundly in the United States. A myriad of causes related to trade, policy, and technological change have been cited as, reasons for the unequal distribution of income and wealth in varying degrees. As the process continues, what are the implications for societies across the planet as these three large and powerful economies move into the future?