Nigerian Prison Service Salary Structure and Ranks

The Nigerian Prison Service (NPS) plays a vital role in the criminal justice system of Nigeria. Not only does it ensure the safe custody and humane treatment of inmates, but it also aims to promote their reformation and rehabilitation.

Like any other institution, the NPS has a structured salary system that determines the earnings of its personnel. Understanding this salary structure is crucial for both those aspiring to join the service and those already serving within its ranks.

Overview of Nigerian Prison Service

The Nigerian Prison Service operates under the jurisdiction of the Ministry of Interior and is tasked with the management of correctional facilities across the country. These facilities house individuals convicted of various crimes, ranging from minor offenses to serious felonies. Beyond mere incarceration, the NPS endeavors to provide educational, vocational, and rehabilitative programs aimed at reintegrating offenders into society as law-abiding citizens.

Salary Structure

The salary structure within the Nigerian Prison Service is organized based on several factors, including rank, years of service, qualifications, and responsibilities. The service adopts the Consolidated Paramilitary Salary Structure (CONPASS), which is also used by other paramilitary agencies in Nigeria. Below is an overview of the ranks within the NPS and their corresponding salary levels:

  1. Comptroller-General of Prisons: This is the highest rank within the Nigerian Prison Service. The Comptroller-General oversees the entire operation of the service and is responsible for strategic planning, policy formulation, and implementation. The salary of the Comptroller-General is quite substantial, commensurate with the level of responsibility and leadership involved.
  2. Deputy Comptroller-General: Just below the Comptroller-General, the Deputy Comptroller-General assists in the overall management of the service. They may be assigned specific portfolios or departments to oversee, depending on organizational needs. Their salary is also competitive, reflecting their seniority and managerial role.
  3. Assistant Comptroller-General: Assistant Comptroller-Generals are senior officers who supervise various divisions or units within the NPS. They play a crucial role in implementing policies, managing resources, and ensuring operational efficiency. Their salary is relatively high, reflecting their significant responsibilities.
  4. Controller of Prisons: Controllers are responsible for overseeing correctional facilities within a particular jurisdiction or region. They manage day-to-day operations, maintain security, and ensure the welfare of both staff and inmates. Controllers receive a competitive salary, considering the demanding nature of their duties.
  5. Assistant Controller of Prisons: Assistant Controllers assist Controllers in managing correctional facilities. They may be assigned specific tasks or departments within a facility and play a vital role in ensuring smooth operations. Their salary is structured to reward their contributions and experience.
  6. Chief Superintendent of Prisons: Chief Superintendents are mid-level officers who may hold supervisory roles within correctional facilities. They oversee the activities of subordinate staff, ensure compliance with regulations, and contribute to the implementation of rehabilitation programs. Their salary reflects their experience and leadership responsibilities.
  7. Superintendent of Prisons: Superintendents are entry-level officers who perform various operational duties within correctional facilities. They may be involved in security, administration, or rehabilitation activities, depending on their assigned roles. Their salary increases with experience and performance.
  8. Inspector of Prisons: Inspectors are typically responsible for maintaining security and order within correctional facilities. They conduct regular inspections, enforce discipline among inmates, and respond to emergencies as needed. Their salary is structured to reward their frontline roles and responsibilities.
  9. Assistant Inspector of Prisons: Assistant Inspectors assist Inspectors in carrying out their duties within correctional facilities. They may patrol premises, conduct searches, and ensure compliance with regulations. Their salary is commensurate with their rank and responsibilities.
  10. Prison Assistant Cadre: This cadre includes non-commissioned officers who perform various support duties within correctional facilities. They may work in areas such as administration, welfare, or vocational training. Their salary increases with experience and may vary based on specialization.

It’s important to note that the salary structure within the Nigerian Prison Service is subject to periodic reviews and adjustments by the government to ensure competitiveness and fairness. Additionally, personnel may be entitled to various allowances, bonuses, and benefits, depending on their rank, location, and specific circumstances.


The Nigerian Prison Service plays a crucial role in the country’s criminal justice system, and its personnel are tasked with the challenging responsibility of managing correctional facilities and facilitating the rehabilitation of offenders.

Understanding the salary structure within the NPS is essential for prospective recruits and current officers alike, as it provides insights into earnings, career progression, and the value placed on different ranks and roles within the service.

By maintaining a transparent and competitive salary system, the NPS can attract and retain qualified personnel who are dedicated to promoting its mission of safe custody, reformation, and reintegration.