The Behaviour & Attitudes poll commissioned by the Sunday Times puts the junior coalition partner on just 4 per cent.
The poll commissioned by The Sunday Times had been due to be published tomorrow, but it was leaked online in advance, and details have been published in full this morning by its sister paper, the Ireland edition of the Times.
The poll of 1026 voters was taken on Monday and Tuesday – the day of, and the day after, a live TV debate between seven major leaders.
And the most significant finding is that Labour support has halved in two weeks – going from 8 per cent in the last similar poll, to 4 per cent today.
Fine Gael rises two points to 30, while Fianna Fáil enjoys the same increase up 2 to 22.
Sinn Fein, however, falls two points to 15 per cent.
Unaligned Independents are unchanged on 10 per cent with the Independent Alliance is at 5 alongside the Anti Austerity Alliance/People Before Profit which has polled higher than Labour for the first time ever.
The Greens, Renua and the Social Democrats are all on 3 per cent while the Workers' Party is on 1.
There is a 3 per cent margin of error.
