Recently, the data of Beijing, Shanghai, Guangzhou and Shenzhen held by BFZH finish the completion of a new round of population database update. The data reflects Beijing, Shanghai till the end of 2013, Guangzhou and Shenzhen as of the actual situation of urban community population by June 30, 2014.

Data of Beijing, Shanghai, Guangzhou and Shenzhen obtained by BFZH covering the resident population of urban population data, county, township streets, community (neighborhood, village) and other four levels, reflecting the occupational characteristics of residents at all levels including age, income level grades and mainstream Residential grade.

Beijing, Shanghai, Guangzhou and Shenzhen all have spatial characteristics of population data, the data are available at all levels of GIS (geographic information system) visual display.