The Ministry of Interior was created in 2015 following a merger between the Ministry of Internal Affairs and the Ministry of Police Affairs. It is a Federal Government Organ which evolved from the Ministry of Internal Affairs which was created in 1957. It came as a result of the merger of various Departments and Units of Government over the years. Some of its components like Prisons were pulled out from the defunct Native Authorities of the Federation; other arms of it, like the Immigration Service, came from the old Nigeria Police Force while other units were previously in the office of the Secretary of State in the Colonial days.

To render to Nigerians and foreigners alike, diverse internal security and other ancillary services that are highly qualitative, efficient, courteous and transparent.

The Ministry of Interior has undergone several structural changes both in functions and nomenclature and today the Ministry of Interior is responsible for:

Granting of Nigerian Citizenship;
Consular and Immigration Services;
Granting Business Permits and Expatriate Quotas;
Establishment and Maintenance of Federal Marriage Registries in Nigeria
Licensing and renewal of Places of Worship for the celebration of marriages
Issuance of Secured Federal Marriage Certificates in all the Federal Marriage Registries
Co-ordination of National/Independence Day Celebration;
Reformation and re-integration inmates;
Security of lives and properties;
Management of National emergencies;
Recruitment of officers and men of the Prisons Service, Immigration Service, Fire Service and the Nigeria Security and Civil Defence Corps; and
Managing the retirement benefits of retirees of Paramilitary Services under its supervision.

Old Federal Secretariat Area 1, Garki Abuja FCT Abuja, Nigeria.