Africa’s most populous nation is preparing to head to the polls in what is tipped to be one of the most hotly contested elections in a generation. But what does it take to win?

The BBC’s Yemisi Adegoke highlights some of the factors that play a key role in getting a candidate elected.

Produced by Yemisi Adegoke, Victor Ezeama, Chioma Nkemdilim

Animation by Mayowa Alabi

Filmed and edited by Ifiokabasi Ettang