Nigerians went to the polls Saturday, February 23, to vote in presidential and parliamentary elections. President Muhammadu Buhari, 76, faces more than 70 rivals in a contest that was delayed a week. His main opponent is Atiku Abubakar, 72, a business tycoon and former Nigerian vice president.

A polling station worker checks and counts ballot papers at Badarawa Junction polling station in Kaduna.
A polling station worker checks and counts ballot papers at Badarawa Junction polling station in Kaduna.
Cristina Aldehuela/AFP/Getty Images
People peer through a window as party agents huddle together to watch votes being counted inside a polling station in Kano, Nigeria.
People peer through a window as party agents huddle together to watch votes being counted inside a polling station in Kano, Nigeria.
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Electoral commission officers count votes at the Shagari Primary School polling station in Yola, Nigeria.
Electoral commission officers count votes at the Shagari Primary School polling station in Yola, Nigeria.
Cristina Aldehuela/AFP/Getty Images
People line up to vote in Kaduna, Nigeria, on February 23.
People line up to vote in Kaduna, Nigeria, on February 23.
Jerome Delay/AP
Nigerians line up to vote in Kaduna, Nigeria.
Nigerians line up to vote in Kaduna, Nigeria.
Jerome Delay/AP
Nigeria's President, Muhammadu Buhari, gestures to supporters after casting his vote in his hometown of Daura.
Nigeria's President, Muhammadu Buhari, gestures to supporters after casting his vote in his hometown of Daura.
Ben Curtis/AP
Presidential candidate and main opposition leader Atiku Abubakar casts his vote along with his wife, Amina Titilayo Atiku-Abubakar, at Agiya polling station in Yola.
Presidential candidate and main opposition leader Atiku Abubakar casts his vote along with his wife, Amina Titilayo Atiku-Abubakar, at Agiya polling station in Yola.
Luis Tato/AFP/Getty Images
Nigerians wait to vote in Maiduguri.
Nigerians wait to vote in Maiduguri.
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People line up to vote in the presidential election a few hours before polls open at Shagari Health Unit polling station in Yola.
People line up to vote in the presidential election a few hours before polls open at Shagari Health Unit polling station in Yola.
Luis Tato/AFP/Getty Images
A staff member of the Independent National Electoral Commission marks the thumb of a voter at a polling unit in Lagos.
A staff member of the Independent National Electoral Commission marks the thumb of a voter at a polling unit in Lagos.
Stefan Heunis/AFP/Getty Images
Women line up to cast their votes in the village of Tumfafi, near Kano.
Women line up to cast their votes in the village of Tumfafi, near Kano.
Ben Curtis/AP
Nigerian police arrive at a polling station in Kaduna.
Nigerian police arrive at a polling station in Kaduna.
Jerome Delay/AP
Electoral commission staff deliver items to a polling station in Port Harcourt after voting was due to begin.
Electoral commission staff deliver items to a polling station in Port Harcourt after voting was due to begin.
Yasuyoshi Chiba/AFP/Getty Images
An election official hands a ballot to a voter at a polling station in Tumfafi.
An election official hands a ballot to a voter at a polling station in Tumfafi.
Ben Curtis/AP
A woman casts her ballots at Unguwar Sarki polling station in Kaduna.
A woman casts her ballots at Unguwar Sarki polling station in Kaduna.
Cristina Aldehuela/AFP/Getty Images
Electoral commission officers prepare ballot boxes before the Shagari Health Unit polling station opens in Yola.
Electoral commission officers prepare ballot boxes before the Shagari Health Unit polling station opens in Yola.
Luis Tato/AFP/Getty Images
Nigerian voters wait for the scheduled opening of polling stations in Kaduna.
Nigerian voters wait for the scheduled opening of polling stations in Kaduna.
Jerome Delay/AP