Transfers look set to be crucial to the outcome of the General Election, with exit polls suggesting a neck-and-neck race between the two potential coalitions.
The counting of votes gets underway at 9am in 43 constituencies across the country, with the first winners expected to be announced in the afternoon.
The turnout is believed to be up on the 62% who cast their votes in 2002.
An exit poll conducted for RTÉ has suggested that Fianna Fáil will come out with more than 41% of the first-preference vote, roughly the same as five years ago.
Fine Gael's vote looks set to rise around four points to just over 26%, while Labour is down to just below 10%.
Elsewhere, the PDs have suffered a drop of 1.5 points to 2.6%, while the Greens have failed to make a breakthrough, with their vote up just one point to 4.8%.
Sinn Féin has also seen a similar increase to 7.3%, a lot less than that predicted by many pundits.
Voters emerging from polling stations yesterday highlighted the economy, crime and health as their main concerns for the next five years.