The 77-year-old won in the first round with about 58% of votes cast.
Main opposition leader Cellou Dalein Diallo, who has denounced the vote as fraudulent, won 31%. He has called for peaceful protests against the outcome.
EU observers said the vote was valid despite some logistical problems.
Candidates now have eight days to file complaints before the constitutional court validates the results.
However, Cellou Dalein Diallo said in a statement he would not appeal to the court.
“I will invite the other candidates and all the citizens who are the real victims of this electoral hold-up to organize, conforming to the law, peaceful demonstrations to express our disapproval of this situation,” he said.
Cellou Dalein Diallo pulled out of the elections on October 14 alleging fraud.
The allegations included ballot boxes being stuffed and some 400 polling stations staying closed.
Figures released on October 16 showed a turnout of about 66% of Guinea’s six million registered voters.
It was Guinea’s second democratic presidential election since independence from France in 1958.
Clashes during the election campaign claimed several lives.
Alpha Conde became president in 2010 in Guinea’s first democratic election after decades of fighting authoritarian regimes, during which he was sent into exile and prison.
In that election, Alpha Conde defeated Cellou Dalein Diallo in a run-off.
India and Canada have decided to expel their top envoys along with other diplomats as…
Vice-presidential debate between Republican JD Vance and Democrat Tim Walz on October 1st felt like…
Ryan Routh, who was accused of attempting to assassinate Donald Trump at his Florida golf…
NBA legend Dikembe Mutombo has died from brain cancer at the age of 58. The…
Donald Trump has announced that he does not expect to run for election again in…
Four people have been killed and dozens injured in a mass shooting in Birmingham, Alabama,…