What are the big data statistics similar to population census are National Land Resources Survey, epidemic population movement data statistics and so on.

"National Land Resources Survey" is the former National Land Resources Survey Office, China Land Survey and Planning Institute for the main completion of the unit, Mark Wei, Xiang Hongyi, Sun Yi, Wen Mingzhuo, Cheng Ye, Liu Yucheng, Cui Yan, Cai Naihuang, Zhang Mingda, Yang Zaitian, Sha Zhigang, Dong Beiping, Xu Jianxin, Gao Li, Wei Shuying, as the main completion of the scientific research project.

The National Population Census is a national census that is conducted by the state to formulate a unified time point and a unified methodology, project, questionnaire, and the relevant departments around the country in strict accordance with the instructions in accordance with the law on the existing population of the country universally, house by house, person by person to carry out a full survey and registration, the focus of the census is to grasp and analyze the forecast of the development of the population of each place, mainly to understand the sex ratio, the sex ratio at birth, the singles, the married population, the elderly population and so on. The national population census is also a survey of national conditions and national strengths. Nowadays, countries around the world widely used to collect demographic information, a basic scientific method, the national census around the results of the data, the relevant departments according to the depth of statistical analysis of big data and progress, around the world should be batch timely and accurate public.