The Unified system for civil registration and administrative services of the population was established in 1977 by Decree No. 15 of 1977. of the Council of Ministers for implementation of Unified system for civil registration and administrative services of the population and for amendment of the Ordinance on Civil Status. According to Article 1, paragraph 2, item 2 of the Decree, the necessary data were collected through a survey conducted from 1 to 30 November 1977.
At present, the Unified System for Civil Registration and Administrative Services of the Population operates at:
- - National level – the Ministry of Regional Development and Public Works, through the “Civil Registration and Administrative Services” General Directorate, keeps a population register – the National Population Database, the National Electronic Register of Civil Status certificates, the Register of Personal Identification Numbers, the National Classifier of Permanent and Current Addresses;
- - District level – the Ministry of Regional Development and Public Works, through the territorial units "Civil Registration and Administrative Services", maintains a Regional Population Database, a national classifier of permanent and current addresses;
- - Municipal level – the municipal administrations enter and maintain the data for the civil registration of the natural persons in the Local Population Database, draw up civil status certificates and their electronic equivalents.