The report on the poll, which was released Tuesday, said 35.1 percent oppose the deal.
Support for the deal was shown to be stronger among the country’s ethnic Albanian minority, with 88 percent in favor, whereas approval among the majority Slavs was at 27.4 percent.
A majority of 66.4 percent said they would take part in the vote.
The referendum question will be “Are you in favor of EU and NATO membership by accepting the agreement between the Republic of Macedonia and the Republic of Greece?”
Poll Source: MCMS