The population of Rome on December 21st 2011 is approximately 2,773,785. (Extrapolated from a population of 2,726,927 on November 7th 2009 and a population of 2,743,796 on August 13th 2010.)
1,330,141,000 people are approximately living in China. The population of Beijing is about 17 million. (The 2007 population estimate for the population of Beijing was 16,330,000)