Introduction to China’s Administrative Division Data

 Administrative divisions are regional divisions implemented by the state for hierarchical management. Engels said that one of the functions of the state is to divide its citizens by regions. Administrative divisions came into being with the establishment of the country. The demarcation of administrative regions needs to take into account various factors such as politics, economy, ethnicity, population, national defense, and historical traditions. Once formed, it will have an important impact on the governance and development inside and outside the region. There are two effects: "spatial segmentation" and "spatial overlap". The former emphasizes the impact of rigid regional segmentation on the flow of factors, while the latter pays more attention to multiple different levels. The phenomenon of overlapping interests arising from authority in the same area. The changes in administrative divisions also contain the development trends of human society. Therefore, related research on administrative divisions covers multiple disciplines, including geography, history, political science, public administration, economics, sociology, culture, etc.

 According to the "Constitution of the People's Republic of China", China's administrative regions are divided into three levels: provincial administrative regions (autonomous regions, municipalities directly under the Central Government), county-level administrative regions (autonomous counties, cities), and township-level administrative regions (ethnic townships, towns). However, in terms of economic In relatively developed areas, in order to promote the integration of urban and rural areas and the integration of industry and agriculture, break the fragmentation and give full play to the enthusiasm of both urban and rural areas, an administrative system of municipal administration of counties is implemented, that is, one-level administrative districts are added between provinces and counties, and four administrative regions are implemented. In the hierarchical system, there are also some autonomous regions, which have autonomous prefectures and counties below the prefectures, which is also a four-level system. This makes China's current administrative divisions and local administrative organizational levels form a three- and four-level coexistence system.

 CnOpenData data team launched the China Administrative Division Database, divided into three sub-tables: administrative division information above the county level over the years, administrative division change information below the county level over the years, and administrative divisions of provinces, cities, counties, towns, streets and neighborhood committees over the years. The administrative division information table above the county level over the years covers fields such as year, area code, province, prefecture-level city, county district and county level. In addition to the above basic information, the administrative division change table below the county level over the years also includesthe name and code of the township before and after the change, the reason for the change, approval documents and other fields.

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