The China microcensus (全国1%人口抽样调查) is an
intercensal survey to measure the population, in between official censuses.
It is conducted every year that ends in 5. In 2015, the survey began on November 1 at midnight. Data are broken down to at least the municipal level, and includes residency (
hukou
''Hukou'' ( zh, c=户口, l=household individual) is a system of household registration used in the People's Republic of China. The system itself is more properly called ''huji'' ( zh, c=户籍, l=household origin), and has origins in Histo ...
) and ethnicity.
References
Censuses in China
{{census-stub