Thirty-two years after seizing power briefly in a military coup, Muhammadu Buhari is back in the top job. But this time he takes over the reins after being democratically elected.
It is a historic moment for the country. Never before has an opposition candidate won a presidential election. But Buhari has many challenges ahead.
Can he change the course of Africa's most populous and wealthy country?
Presenter: Folly Bah Thibault
Max Gbanite, security and defence analyst with MHG Leadership and Strategic Security Centre.
Manji Cheto, vice president of Teneo Intelligence.
Tolu Ogunlesi, West Africa Editor for The Africa Report.
Source: Al Jazeera