The system through which the Public Security Bureau can check population information is called the National Citizen Identity Information System. The National Citizen Identity Information System is constructed, managed and operated by the National Citizen ID Number Inquiry Service Center.

Used to process the identity data of nearly 1.3 billion people in China (excluding Hong Kong, Macao and Taiwan), this human-machine integrated system is based on privacy protection and provides national citizen identity information services to government departments and all walks of life.

Conditions for population inquiry:

1. Citizens can inquire the household registration information of themselves and household members at the public security police station where their household registration is located with their resident ID cards or household registration books.

2. If it is necessary to inquire the household registration information of the citizen involved in the case due to the need to handle the case, the judicial authority can apply for inquiry to the public security police station where the household registration is located or the household registration management department of the public security agency with the personal work certificate and letter of introduction (investigation letter).

3. If you need to inquire about the household registration information of relevant citizens due to the need to handle legal affairs, a lawyer can apply for inquiry to the public security police station or the household registration management department of the public security organ where the household registration is located with the lawyer's practicing certificate and the certificate of the law firm.

4. If it is really necessary to inquire about a citizen’s household registration information due to the performance of duties, upon approval by the agency being applied for, the relevant government department may submit a letter of introduction from the unit and the work permit of the inquirer to the public security police station or public security agency where the household registration is located. Department inquiries.

Extended information

The business scope of the National Citizen ID Number Inquiry Service Center:

1. Identity information verification

Individual citizens When conducting social and economic activities (such as going to telecommunications and banks to handle related business), you must actively submit your identity document to the relevant agency, and the staff of the relevant agency (called the "verifier" or "user") will identify the citizen (called the "person being verified"). ") The name, identity number and other information actively submitted are transmitted to the Ministry of Public Security's "National Citizen Identity Information Database" through the network channel of the telecom operator for comparison.

Get a "consistent" or "inconsistent" comparison result. If "consistent", you can further compare the photo to confirm whether the photo is consistent with the ID card submitter without providing any other information.

2. Population data statistics

The National Citizen Identity Information System has loaded the national household registration population information. In order to fully develop and utilize citizen identity information resources, population data statistics services are now launched to the society. The demographic data statistics service provides various types of household registration and demographic data based on the National Citizen Identity Information System, with extensive content.

The data content includes various demographic figures by gender, age, ethnicity, education level, marital status, place of birth, place of origin and other dimensions, as well as surname statistics that are currently widely concerned by society. The geographical scope of the data includes the whole country, provinces, autonomous regions, municipalities, and cities, down to the district and county level.

Service process: Confirm the demand→The requestor presents valid documents (ID card and employer certificate)→Sign the agreement→Pay to the center→The center submits data

3. Family search visit Friends

In the vast sea of ??people, do you often recall your old classmates, former friends, and parted relatives? Time has passed and you may have lost contact, but you can never forget the deep feelings and look forward to reuniting with long-lost relatives and friends.

In line with the purpose of serving the people wholeheartedly, the "Center" uses database resources covering the country's 1.3 billion population information, and uses household registration information as clues to carry out services for finding relatives and visiting friends, in order to embody "citizens' information collection" The concept of "for the people, for the people". ?

The service scope is limited to: finding your relatives, friends, comrades, classmates, and colleagues who are citizens of mainland China. Excludes active military personnel, abducted, runaway, lost and missing persons.

Baidu Encyclopedia-National Citizen Identity Information System

Baidu Encyclopedia-National Citizen Identity Card Number Inquiry Service Center