According to Xinhua on June 26, 2010, a newly released “2010 China’s Floating Population Development Report” said that China’s population of floating migrant workers reached 211 million in 2009 and will hit 350 million in 2050 if the current government policies remain unchanged.
Source: Xinhua, June 23, 2010
http://news.xinhuanet.com/fortune/2010-06/26/c_12266166.htm