Developing world fuels middle class boom
The middle class is growing all over the developing world.
By 2030, Asia will be the home of 3 billion middle class people - 10 times more than North America and five times more than Europe.
Linda Yueh examines the changing incomes of populations around the globe and John Sudworth meets the "new middle class" emerging in China.
20 Jun 2013
- From the section Business