Do previous censuses count as household registration files?

The census is generally based on the current residence. The total population in population statistics usually refers to the permanent population, which is the statistical caliber commonly used in population census and population survey in the world. In China, the permanent population refers to the people who have actually lived in a certain area for more than half a year, and the registered population refers to the people who have registered their permanent residence in the public security household registration management institution.

The census work includes the whole process of collecting census data, summarizing data, evaluating data, analyzing and researching, editing and publishing, etc. Its purpose is to fully grasp the basic situation of the national population, provide a basis for studying and formulating population policies and economic and social development plans, and provide demographic information services for the public.