The Independent National Electoral Commission (INEC) has presented certificates of return to Bola Tinubu and Kashim Shettima, as the president and vice-president-elect.
The event is currently taking place at the International Conference Centre, Abuja.
Tinubu and Shettima of the All Progressives Congress (APC) won the presidential election held on Saturday.
They secured a total of 8,794,726 votes to defeat Atiku Abubakar of the Peoples Democratic Party (PDP), who polled 6,984,520 votes.