By the end of 2011, there were 11 million permanent residents in a city, including 8 million local people and 3 million migrant people  The ratio of male to female permanent residents was 1 03:1  There were many colleges and universities in the city, and the education level was much higher than the national average
More than 20% of the permanent residents had bachelor's degree or above
The local female population exceeds the foreign female population