Armed Forces: In 1990 armed forces totaled at least 94,500 components were army, 80,000 navy, 5,000 and air force, 9,500 no organized reserves service entirely voluntary.

Major Tactical Units: Army had two mechanized infantry divisions, one armored division, and one airborne division air force tactical command had three interceptor/strike squadrons, one maritime reconnaissance squadron, and five transport squadrons. Equipment inventory over 260 aircraft. Navy equipped with modern fleet of frigates, corvettes, transports, and patrol craft defended territorial waters and was developing amphibious warfare capability.

Major Military Suppliers: Diversified military procurement sources included Italy, Germany, Britain, United States, and Eastern Europe. Small but important domestic defense industry.

Military Costs: Between 1977 and 1987, military spending decreased 80 percent to less than 1 percent of GNP in 1990 defense budget N2.19 billion, or about US$277 million.

Security Forces: Size of national police (Nigeria Police Force) variously estimated at between 20,000 and 152,000, organized into seven area commands under Nigeria Police Council that included president, chief of staff, minister of internal affairs, and police inspector general. Also Port Security Police (total about 12,000) and Quick Intervention Force (number not known) in each state. Security services reorganized in 1986 into State Security Service for domestic intelligence, National Intelligence Agency for foreign intelligence and counterintelligence, and Defence Intelligence Agency for military intelligence.

Data as of June 1991