Official name: Federal Republic of Nigeria
Administrative units: 36 States + Federal Capital Territory (FCT)
Capital: Abuja (since 12 Dec 1991); centrally located, bordered by Nasarawa, Kogi, Kaduna, Niger
Former capital & commercial hub: Lagos – pop. 11.4\,\text{million} (largest in Nigeria; 2^{nd} in Africa after Cairo)
Other major city populations (approx.): Ibadan 3.3 m; Abuja 1.6 m; Kano 3.3 m; Port Harcourt 1.2 m
Oil & gas: >80\% of national revenue; 1^{st} in Africa, 6^{th} worldwide producer
Other minerals: limestone, iron ore, coal, gold
Agriculture (local): yam, cassava, maize, millet, rice, onion, potato, pepper, beans
Cash-crop exports: cocoa, groundnut, rubber, palm produce, cashew
Livestock shortfall met by imports (mainly from Chad & Niger)
Independence: 1 Oct 1960; became Republic 1963
Systems: Parliamentary (1960-66) • Presidential (current)
Three arms: Executive (President), Legislature (bicameral National Assembly), Judiciary
Term limits: President & State Governors – max 2 four-year terms
National Assembly: Senate 109 seats (each state 3 + FCT 1); House of Reps 360 seats; unlimited re-elections
Local government: 774 councils (Chairmen + Councillors)
Courts (ascending): Customary → Magistrate → State High → Court of Appeal → Supreme Court (headed by Chief Justice, appointed by President on NJC advice)
Northern states also operate Sharia Courts of Appeal (Qadis / Grand Qadis)
Legal profession split: Bench (judges) & Bar (practising lawyers)
Flag: vertical Green | White | Green (white = peace & unity; green = agriculture); designer – Michael Taiwo Akinkunmi
Coat of Arms: black shield (fertile soil), silver Y-band (Rivers Niger & Benue), supporting white horses (dignity), red eagle (strength), base flowers – cactus spectabilis
Currency: Naira & Kobo • Internet domain: .ng • Tel. code: +234
Area: 923\,768\,\text{km}^2 (land 910\,768; water 13\,000)
Population (July 2009 est.): 153\,828\,587; growth rate 2.42\%; birth rate 41.84/1000
Urban 48\% vs Rural 52\% (2008 est.)
Fertility rate 4.52 (2010)
Literacy: total 68\% (male 75.7\%, female 60.6\%)
Life expectancy: total 46.94 yr (male 46.16, female 47.76) – 2009 est.
Ethnic diversity: 250–400 groups (highest concentration in Taraba & Adamawa)
Three dominant groups: Hausa/Fulani, Yoruba, Igbo ≈ 66\% of population
Religious composition: Islam 50\%, Christianity 40\%, Indigenous beliefs 10\%
Major languages: English (official), Hausa, Yoruba, Igbo, Ful Fude, etc.
Nickname: “Giant of Africa” – most populous black nation; 3^{rd}-largest African economy (after South Africa, Egypt)
Active in ECOWAS (founder), African Union, UN, Commonwealth; Technical Aid Corps (TAC) supports developing states
Peacekeeping & election support (e.g., Liberia 2011)
Listed among “Next Eleven” emerging economies
IMF projected GDP growth 8.3\% for 2010
Total administrations since independence: 16 (military + civilian)
Oldest university: University of Ibadan (est. 1948); global ranking ~801/1000
Nok terracotta: 200\,\text{BC}–900\,\text{AD} (southern Zaria / Benue)
Igbo-Ukwu bronzes: 9–10^{th} C AD (Anambra) – advanced metalwork
Ife sculptures: 7–9^{th} C AD – naturalistic brass/terra-cotta heads
Benin bronzes: from 15^{th} C; peak under Oba Ogunta; many looted in 1897
Other centres: Tsoede/Tada bronzes (Nupe), Owo ivory, Esie stone figures, Oron ancestor wood (ekpu)
Wood carving widespread (Yoruba veranda posts, Gelede/Egungun masks; Igbo shrine figures; riverine Mammy-Water masks)
Ekoi (Cross River) combine wood & skin; Northern body painting with henna; bead jewellery among Yoruba & Fulani
Pottery: ubiquitous craft across ethnicities for cooking, storage & trade – tradition centuries old