Three of the country's four main parties have experienced a drop in support.
According to the latest opinion poll Fine Gael, Labour and Fianna Fáil have recorded a slump in popularity - while Sinn Féin is on the up.
The Sunday Independent, Millward Brown survey shows Fine Gael is down 3 points to 27 per cent.
Labour is down 4 points to 8 per cent and Fianna Fáil drops 5 points to 21.
That puts them behind Sinn Féin who go up 6 to 22 - their highest level of support since the General Election.
Greens and others also go up 6 to 21 per cent.
Fionnan Sheahan, Group Political Editor for the Sunday Independent, explains the reason behind the changes: