A new opinion poll for tomorrow's Sunday Business Post shows support for Fine Gael and Fianna Fáil level.
It is the first time in five years that Fine Gael has not been ahead in a Red C poll.
Red C conducted this poll among over 1,000 voters on Monday, Tuesday and Wednesday of last week.
It shows support for Fine Gael down two points to 26%, while Labour is unchanged at 11%.
Fianna Fáil gains one point to 26%, while Sinn Féin is unchanged at 16%. Independents and ‘Others’ are up one point to 21%.