The election pitted Mirlande Manigat, a 70-year-old academic and former first lady, against Michel Martelly, a popular singer a political novice.
Martelly had originally been excluded from the second round with the ruling party candidate Jude Célestin taking his place.
Martelly’s exclusion, which was later rectified when he was reinstated at Célestin’s expense, gave rise to violent protests across the country.
Nearly five million voters cast their ballot on Sunday, eclipsing the dismal numbers in November’s first round when only 23 per cent of Haiti’s 4.7 million eligible voters went to the ballot box.
Despite reports of irregularities, Provisional Electoral Council (CEP) President Gaillot Dorsinvil called the vote a “triumph of democracy”.
France on Monday gave the second round election a clean bill of health.
"The second round of elections in Haiti took place in a satisfactory manner” and “the mobilisation of a large number of voters, which resulted in an increase in participation is a success” said foreign affairs ministry spokesperson Bernard Valero.
While in most parts of the country the election proceeded peacefully, two people were killed in election-related incidents, authorities said.