The electoral commission yesterday said Sisi won 96.91 per cent of the vote with a turnout of 47.5 per cent, nearly one year after he overthrew Islamist Mohamed Morsi.
His crushing victory over sole rival, leftist leader Hamdeen Sabbahi, had never been in doubt, with many lauding the retired field marshal as a hero for ending Morsi's year of divisive rule 11 months ago.
Sisi will be sworn in on Sunday before the general assembly of the Supreme Constitutional Court, state news agency MENA reported today, quoting Maher Sami, deputy head of the court.
The ceremony will be followed by a reception to be attended by kings and heads of states in Cairo's Ittihadiya palace, it said.
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A second reception will be held at the capital's Kubba palace to be attended by around 1,000 guests from several political groups, MENA added.
The three-day presidential election was boycotted by Morsi's Muslim Brotherhood and several youth groups of the 2011 popular uprising, after both were targeted in a campaign to suppress dissent.
Hundreds have also been sentenced to death after speedy trials, triggering international outrage.
Sisi has said that for him, "national security" takes precedence over democratic freedoms, comments that have sparked concerns of a return to autocracy in Egypt.