1999 Lagos State gubernatorial electionThe 1999 Lagos State gubernatorial election occurred in Nigeria on 9 January 1999. The AD nominee Bola Tinubu won the election defeating the PDP candidate.Bola Tinubu emerged AD candidate.Electoral systemThe Governor of Lagos State is elected using the plurality voting system.Primary electionAD primaryThe AD primary election was won by Bola Tinubu.ResultsThe total number of registered voters in the state was 4,093,143. Total number of votes cast was 1,184,372, while number of valid votes was 1,149,375. Rejected votes were 34,997.