Support for Sinn Féin has increased while support for Fine Gael is down, the latest Sunday Independent/Ireland Thinks opinion poll suggests.
Fianna Fáil is unchanged on 24%, but remains the most popular political party in the country.
Sinn Féin lies in second place - up 3 points to 22% from the previous poll.
Fine Gael has slid into third place, on 20%, which is down two on previous estimates.
The Social Democrats are on 8% which is up one point.
Both Aontú and Independent Ireland are both down one point to 4%.
The Labour Party is also on 4% which is unchanged from the previous poll while the Green Party is on 3%, up one point.
People Before Profit are on 2% - unchanged while Independents and others are on 9%.
The margin of error in this online poll, which surveyed 1,591 voters, is plus or minus 2.5%.
It was conducted on 31 January and 1 February.
