The number of TDs in the Dáil is set to be cut by eight, under new recommendations to be published next month.
The Irish Times has reported that the Constituency Commission will recommend major changes, which will see seats being lost in Dublin, Munster and Connacht-Ulster.
The commission is set to return next month with recommendations to reduce the number of elected TDs from 166 down to 158.
The measure will see a reduction of three seats in Munster with Kerry, Cork and Tipperary each losing a seat.
Three seats will also be lost in Connacht/Ulster in Donegal, Cavan-Monaghan and either Galway or Mayo.
Three seats will also be lost in Dublin, while the constituency of Laois-Offaly is set to gain a TD.