The following states have passed the Administration of Criminal Justice Act/ Law (ACJA/L) in Nigeria:
| STATE | DATE OF ASSENT | |
| 1 | Anambra | 2010 |
| 2 | Lagos | 2011 |
| 3 | Ekiti | 2014 |
| 4 | FCT | 2015 |
| 5 | Ondo | 2015 |
| 6 | Rivers | 17th September 2016 |
| 7 | Cross River | 2016 |
| 8 | Oyo | 2016 |
| 9 | Kaduna | 2017 |
| 10 | Enugu | 26th January 2017 |
| 11 | Akwa Ibom | 21st March 2017 |
| 12 | Delta | 19th September 2017 |
| 13 | Kogi | 29th December 2017 |
| 14 | Edo | 20th March 2018 |
| 15 | Ogun | May/ June 2018 |
| 16 | Plateau | 25th September 2018 |
| 17 | Osun | 2018 |
| 18 | Kwara | 3rd December 2018 |
| 19 | Adamawa | 10th December 2018 |
| 20 | Bayelsa | January 2019 |
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