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 1st at midnight. Data are broken down to at least the municipal level, and includes residency (
hukou
''Hukou'' () is a system of household registration used in mainland China. The system itself is more properly called "''huji''" (), and has origins in ancient China; ''hukou'' is the registration of an individual in the system (''kou'' li ...
) and ethnicity.
References
Censuses in China
{{census-stub