His major challenger, Bilie-by-Nze, polled slightly over 3 per cent of the votes.
“I am a builder, and I need your courage, your strength, to build this country,” Mr Nguema said.
Mr Bongo’s government was toppled in August 2023.
This coup clearly prevented the opposition from taking political power, which they won in the recent election.
According to local media reports in Gabon, Mr Nguema was Mr Bongo’s cousin.
The military coup came minutes after the state election body declared the winner of Saturday’s general election.
Mr Tinubu would consult with other heads of state and government in the African Union on the Gabon crisis to determine the way forward.
Military officers have overthrown President Ali Bongo of Gabon, ending the Bongo family’s 53-year control of political power in Gabon.
