ni akoole ninu ISO 3166-2, apa opagun ISO 3166 ti International Organization for Standardization (ISO) tejadesiwe to setumo awon amioro fun oruko awon ipinsabe koko awon orile-ede.ItokasiISO 3166.. 
Àkójọ àwọn olórí orílẹ̀-èdè Nigeria lati July 1, 1960.heads of State of Nigeria (1960-present)Igba òṣèlú àkọ́kọ́ Nàíjíríà (1963-first) Military regime (1966-1979)Igba òṣèlú ìkejì Nàíjíríà (1979-1983) Military regime (1983 (1983) fourth Republic (1999-present) Sinastan 