Fourth Nigerian Republic

[1] Following the death of the military dictator and de facto ruler of Nigeria, General Sani Abacha in 1998, his successor General Abdulsalami Abubakar initiated the transition which heralded Nigeria's return to democratic rule in 1999.

[3] Muhammadu Buhari then won the general elections on 28 March 2015 after the PDP rule of sixteen years (1999–2015).

[4] On 29 May 2015, Buhari was sworn in as President of Nigeria, becoming the first opposition figure to win a presidential election since independence in 1960.

[5] On 29 May 2019, Muhammadu Buhari was sworn in for a second term as Nigeria's president, after winning the presidential election in February 2019.

[6] The ruling All Progressives Congress (APC) candidate, Bola Tinubu, won the February 2023 presidential election to succeed Muhammadu Buhari as the next president of Nigeria.