The All Progressives Congress (APC) Dapo Abiodun won the race for governor of Ogun State.
The Independent National Electoral Commission (INEC) proclaimed Abiodun the winner on Sunday.
The current governor, who is running for a second and last term, defeated Peoples Democratic Party (PDP) candidate Ladi Adebutu by a margin of 13,915 votes.
He received 276 298 votes, defeating Adebutu, who received 262 383 votes.
Biyi Otegbeye, a candidate for the Africa Democratic Party (ADP), finished third with 94,754 votes.