ABUJA, Feb. 27 (Xinhua) -- Nigeria's electoral body on early Wednesday declared incumbent President Muhammadu Buhari the winner of the country's presidential election.

Buhari, the candidate of the governing All Progressives Congress (APC) party, topped the poll with 15,191,847, or 55.6 percent of the total 27,324,583 valid votes in presidential election held on Saturday, Chairman of the Independent National Electoral Commission (INEC) Mahmood Yakubu announced.

The runner-up was Abubakar Atiku of the main opposition People's Democratic Party (PDP), who won 11,262,978, or 41.2 percent of the valid votes.