Main presidential candidates
MUHAMMADU BUHARI (APC)
Embattled and determined leader
Born in 1942 to a Muslim family in northern Katsina state
Former soldier, led military regime in 1980s, remembered for strictness
Tardy civil servants had to perform frog jumps in public
Won 2015 presidential election, the first opposition candidate to defeat an incumbent, with promise to beat corruption and Boko Haram insurgents
Told wife she belonged in kitchen after she complained in a BBC interview about his government
After long absence from illness, had to deny rumours that he had been replaced in public by a lookalike
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ATIKU ABUBAKAR (PDP)
Tycoon and veteran power-broker
Born in 1946 in northern state of Adamawa
Co-owner of multinational oil services company that started life in a Lagos shipping container
Oversaw privatisations during two terms as vice-president.
Fought against corruption charges, describing them as politically motivated
Founded American University which gave scholarships to some of the “Chibok girls” that survived Boko Haram kidnapping
His father, a devout Muslim, was briefly jailed for trying to stop him from attending a Western-style school
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