Support for Fianna Fáil has fallen in the past month, while opposition party Fine Gael has gained.
The Red C poll, published in the Sunday Business Post, claims that support for Fianna Fáil has dropped by two points to 35 per cent, while support for Fine Gael has increased by two points to 25 per cent.
The Progressive Democrats and Sinn Féin have both gained support, rising by one point to 4 per cent and 10 per cent respectively, while Labour and the Greens have seen their support fall by one point and two points respectively.