Support for Fianna Fáil and Sinn Féin is tied at 22%, a new opinion poll suggests.
The Red C survey for the Business Post also indicates a drop in support for Fine Gael.
The poll finds that Fianna Fáil is up two points to 22%.
However, Sinn Féin is down a point to also stand at 22%.
Fine Gael is down three points and stands at 17%.
The Social Democrats are unchanged at 7% while Labour is also unchanged on 4%.
Independent Ireland remains on 4% while People Before Profit-Solidarity is unchanged on 3%.
Aontú is also unchanged on 4%.
Independents are up two points to 13%.
Others are unchanged on 1%.
The online poll of 1,002 adults was conducted between 21 and 26 March.
The margin of error is plus or minus 3%.
