The four basic databases are: population database, legal person database, macroeconomic database, natural resources and spatial geography database, some experts say that the "four basic databases" are the four main databases at the national level.

The basic information resources of the national basic information base come from the business information of the relevant departments, and have the characteristics of basicity, benchmarking, identification, stability, etc.

This is the first time that a national basic information base has been established.