The "Incredible India" surprise is part of a surge of prosperity that is rapidly expanding the world's middle classes. By 2030, the global middle class is widely projected to at least double in size to as many as 5 billion – a surge unseen since the Industrial Revolution. This boom, however, is more global, more rapid, and is likely to have a far different – and perhaps far greater – impact in terms of global power, economics, and environment, say economists and sociologists.
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"This dwarfs even the 19th-century middle class explosion in its global scale," noted economists Dominic Wilson and Raluca Dragusanu in a 2009 Goldman Sachs report. And they predicted, "the pace of expansion ... is likely to pick up."
The world will, for the first time in history, move from being mostly poor to mostly middle-class by 2022, the Organization for Economic Cooperation and Development projects. Asians, by some predictions, could constitute as much as two-thirds of the global middle class, shifting the balance of economic power from West to East. Already, some analyses of International Monetary Fund data suggest that the size of the Chinese economy could eclipse that of the United States in just five years.