The Nigerian police force was established in the year 1930. It is the principal law enforcement agency in Nigeria with over 371,000 personnels.
The police force is headed by the Inpector General of Police. The Inspector General ofPolice is appointed by the president. The first Indigenous Inspector General of Police was Louis Edet.
Below are a list of all Inspector General of police till date
| IG of Police | Date in Office |
| Louis Edet | 1964 – 1966 |
| Kam Salem | 1966 – 1974 |
| Muhammadu Dikko Yusufu | 1975 – 1979 |
| Adamu Suleiman | 1979 – 1981 |
| Sunday Adewusi | 1981 – 1983 |
| Etim Inyang | 1985 – 1986 |
| Muhammadu Gambo Jimeta | 1986 – 1990 |
| Aliyu Attah | 1990 – 1993 |
| Ibrahim Coomassie | 1993 – 1999 |
| Musiliu Smith | 1999 – 2002 |
| Mustafa Adebayo Balogun | 2002 – 2005 |
| Sunday Ehindero | 2005 – 2007 |
| Mike Mbama Okiro | 2007 – 2009 |
| Ogbonna Okechukwu Onovo | 2009 – 2010 |
| Hafiz Ringim | 2010 – 2012 |
| Mohammed Dikko Abubakar | 2012 – 2014 |
| Suleiman Abba | 2014 – 2015 |
| Solomon Arase | 2015-201 |
| Ibrahim Kpotun Idris | 2016-2019 |
| Mohammed Adamu | 2019 till date |