"The winner has undoubtedly been our country," Erdogan said in a speech to cheering supporters at the headquarters of his ruling Islamist-rooted AK Party in the capital Ankara overnight.
Going into the election, the opposition had sensed its best chance yet of unseating Erdogan, encouraged by polls showing him trailing his main challenger Kemal Kilicdaroglu.
But the results suggested Erdogan and his AK Party had been able to rally conservative voters despite a cost-of-living crisis.
[1/4] Supporters of Turkish President Tayyip Erdogan and AK Party (AKP) gather on election night, in Istanbul, Turkey May 15, 2023.
"During the campaign period ahead of the runoff, President Erdogan is likely to emphasise stability as he already retains the majority in the parliament," Dalay said.