The result was a victory for incumbent Olusegun Obasanjo of the People's Democratic Party, who defeated his closest opponent Muhammadu Buhari by over 11 million votes.
The police in Lagos uncovered an electoral fraud, finding five million false ballots.
International observers, including the European Union, determined various irregularities in 11 of the 36 Federal States.
The electoral committee noted for example that in the city Warri in the Niger delta of 135,739 voters, 133,529 voted for the parliamentary election.
Also, the counting time was very long compared with other countries pointed according to observers on possible electoral fraud.