- Bola Tinubu of the All Progressives Congress (APC),
- Omoyele Sowore of the African Action Congress (AAC),
- Peter Obi of the Labour Party (LP),
- Rabiu Kwankwaso of the New Nigeria Peoples Party (NNPP),
- And Atiku Abubakar of the Peoples Democratic Party (PDP) were among the presidential candidates present.
Candidates from political parties participating in the presidential election, on Wednesday, signed a peace accord in Abuja. Present at the signing of the peace accord were members of the National Peace Committee, as well as President Muhammadu Buhari.
Also present were Thabo Mbeki, former president of South Africa and leader of the Commonwealth Observer Mission to Nigeria (COMN); Yakubu Gowon, former military head of state; Abdulsalami Abubakar, former head of state and NPC chairperson; Matthew Kukah, Catholic bishop of Sokoto diocese; and Muhammadu Abubakar, Sultan of Sokoto.