Albania's prime minister has thanked hundreds of thousands of voters who supported his Socialist Party in the last parliamentary elections, backing his pledge to take the country into the European Union in five years.

Albanian Prime minister Edi Rama has secured an unprecedented fourth term in power after his Socialist Party sailed to victory in Sunday's election, official results showed on Tuesday, although the opposition claims the vote was stolen.

Albania's artist-turned-prime minister Edi Rama, who has secured his fourth term in office in parliamentary elections at the weekend, has vowed to integrate the Balkan nation into the European Union.