The governing Fidesz party increased its support among the whole voter population to 31 percent in December from 30 percent in November, according to a poll by Szazadveg.
Support for the main opposition Socialists stayed level at 15 percent in December.
The radical nationalist Jobbik party raised its voter base to 8 percent from 7 percent.
The opposition E14-PM party and the leftist opposition Democratic Coalition (DK) had 4 percent support each. The small opposition LMP party and the newly-formed Liberal Party garnered 2 percent support, respectively, among the whole sample.
Among decided voters, Fidesz was well ahead of the Socialists, with 52 to 23 percent, while Jobbik had 13 percent support in this group. The opposition E14-PM party and DK had 4 percent each in the group, too, while LMP had 2 percent and the Liberals 1 percent.
The poll was taken on December 16-19.