Support for Fianna Fáil has increased by two points to 37%, despite controversy surrounding the Taoiseach's personal finances, according to the latest Red C tracking poll in the Sunday Business post.
The increase covers the period since the last poll two weeks ago.
Support for Fine Gael falls marginally by one point to 26%, while support for the Labour Party rises by a similar margin to 12%, maintaining the 38% rating for the proposed alternative government.
Support for the Green Party is at 8%. Sinn Féin remains steady on 8%, as do the Independents on 7%.