A final tally showed 61.31 percent of Greek voters decisively rejecting a bailout in a momentous referendum on austerity, official results released early Monday by the interior ministry showed.

Participation stood at 62.5 percent, with 38.69 percent voting "Yes" to the reforms put forward by the country's creditors. Prime Minister Alexis Tsipras' radical left-wing government had called for a "No" vote in the referendum.