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Federal Republic of Nigeria

Political Status: Independent member of the Commonwealth since 1960; republic established in 1963; civilian government suspended as the result of military coups in January and July 1966; executive presidential system established under constitution effective October 1, 1979; under military rule following successive coups of December 31, 1983, and August 27, 1985; constitution of Third Republic promulgated May 3, 1989; existing state organs dissolved following military takeover of November 17, 1993; 1979 constitution restored and Provisional Ruling Council established on November 21, 1993; current constitution entered into effect May 29, 1999, with installation of new civilian government.

Area: 356,667 sq. mi. (923,768 sq. km).

Population: 195,875,000 (2018E—World Bank); 195,300,343 (2018E—U.S. Census).

Major Urban Centers (2016E—UN): ABUJA (2,586,000), Lagos (13,661,000), Kano (3,676,000), Ibadan (3,243,000), Port Harcourt ...

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