Emmanuel Macron was elected as France's youngest ever president with a projected landslide of 65.5 per cent.

Macron, 39, beat far-right National Front (FN) candidate Marine Le Pen, 48, in an election that will have widespread repercussions for the future of Europe.

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An official preliminary result released at 8pm local time showed the 65.5 per cent vote for Mr Macron, meaning a clear victory over Le Pen, on 34.5 percent.

Mr Macron defeated far-right candidate Marine Le Pen by about 65.5% to 34.5% to become, at 39, the country’s youngest president, the results show.

Mahama in a Tweet to congratulate Macron said "Félicitatiôn Emmanuel Macron! Vive La France!"

Meanwhile, Emmanuel Macron said a new page was being turned in French history.

"I want it to be a page of hope and trust," he said.

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Mr Macron said he had heard "the rage, anxiety and doubt that a lot of you have expressed” and vowed to spend his five years in office “fighting the forces of division that undermine France".

He said he would "guarantee the unity of the nation and… defend and protect Europe."