According toThe Study of Coordinated Development and Comprehensive Strength of Chinese Citiesreleased on December 25th, Changzhou was ranked 12th among prefecture-level cities（excluding capital cities）in overall strength during 2010-2011.
　　Based on the basic economic and social statistical data of each city in 2010, the analysis and assessment of city��s comprehensive strength was carefully carried out from many aspects on China��s 287 cities at or above prefecture level.
　　The top five cities of this year��s evaluation are: Suzhou, Dongguan, Foshan, Erdos and Wuxi.