The city of Shanghai, China is one of the fastest growing cities in the world in terms of skyscraper construction, with the City of Shanghai reporting at the end of 2004 that there had been 6,704 buildings of 11 stories or more completed since 1990. In 2011 there are over 20,000 buildings 11 stories or higher and more than 1,000 buildings exceeding 30 stories in Shanghai. As of December 2011, there are 165 high-rise buildings either under construction, approved for construction, or proposed for construction, of which three are over 300 m (980 ft) high. Since 2008, Shanghai has boasted more free-standing buildings above 400m (3) than any other city (except Chicago).