China Running Low on Labor?

WSJ.com:

That labor supply is running dry might seem strange in a country of 1.3 billion people. But the trend's been discernible for a while, as the effects of an aging population and China's one-child policy kick in. In the past 10 years, the population of 20-to-39-year-olds -- from which most manufacturing labor is drawn -- has fallen 22%, Merrill Lynch says.