The official results remained unchanged from the preliminary results announced around midnight.
Yameen won with a preliminary 51.6 percent of votes while his opponent, former president and candidate of the Maldivian Democratic Party (MDP), Mohamed Nasheed, garnered 105,181 votes, or 48.61 percent.
The voter turnout was 91.41 percent with 218,621 people voting out of the country's 239,165 eligible voters.
Nasheed conceded his defeat at a press conference.
The president-elect is to be inaugurated later in the day, when he will also try to name his cabinet.
