Hungarian Prime Minister Viktor Orban’s Fidesz party, which has led a challenge in Europe against German Chancellor Angela Merkel’s open-door policy for refugees, had more support than all of the opposition parties combined in January, according to a Tarki poll published on Wednesday.

Fidesz had 31 percent support among eligible voters, up from 28 percent in October, Tarki said in an e-mail. The radical nationalist Jobbik fell to 12 percent from 13 percent while the Socialist Party was third with 7 percent. Four other parties had a combined 8 percent backing. Forty-two percent of respondents said they were undecided, down from 45 percent in October.

Orban, who declared he was building an “illiberal state” in the European Union member following his re-election in 2014, has surged in polls with his hard-line response against against the biggest migrant wave to Europe since World War II. Orban has built a razor-wire fence and deployed the army to stop migrants from entering Hungary.

Fidesz’s support also rose to 54 percent among decided voters, up from 51 percent in October, according to the survey. That compared with 20 percent backing for Jobbik and 12 percent for the Socialists. Tarki surveyed 1,001 adults Jan. 15-20. No margin of error was disclosed. The next parliamentary elections are scheduled for 2018.

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