Dáil constituencies

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Dáil Constituencies
CategoryElectoral district
Number39 (as of 2020)

There are 39 multi-member electoral districts, known as Dáil constituencies, that elect 160 TDs (members of parliament), to Dáil Éireann, the house of representatives of the Oireachtas, Ireland's parliament, on the system of proportional representation by means of the single transferable vote (PR-STV), to a maximum term of five years. The configuration of constituencies and seats per constituencies has been reviewed, and is subject to Oireachtas approval.[1]

Electoral law[edit]

Article 16.2 of the Constitution of Ireland outlines the requirements for constituencies. The total number of TDs is to be no more than one TD representing twenty thousand and no less than one TD representing thirty thousand of the population, and the ratio should be the same in each constituency, as far as practicable, avoiding malapportionment. Under the Constitution, constituencies are to be revised at least once every twelve years in accordance with the census reports, which are compiled by the Central Statistics Office every five years.

Under the Electoral Reform Act 2022, the Electoral Commission conducted a review of all constituencies on the publication, by the Central Statistics Office, of the preliminary result of the census.[2] The commission is independent and is responsible for the redrawing of constituency boundaries. Any alterations to constituencies do not take effect during the life of the Dáil sitting when a revision is made. Prior to the establishment of the Commission in 2023, constituency reviews were carried out by a Constituency Commission under the Electoral Act 1997, as amended.[3]

The constitution specifies that the minimum number of TDs returned for each constituency is three, but does not define the maximum number; however, electoral law specifies a maximum number of five TDs.[4] The electoral system for general elections is proportional representation by means of a single transferable vote (PR-STV). PR-STV is also used at European Parliament elections and local elections. Although they are conducted under the same rules, in the case of by-elections (where this is only one vacancy) and presidential elections, this becomes alternative vote.

Proposed constituencies[edit]

On its establishment in February 2023, the Electoral Commission sought submissions for a review of Dáil constituencies and European Parliament constituencies following the publication of the 2022 census preliminary results. It has recommended a Dáil size of 174 members, an increase from the current membership of 160 TDs.[5][6][1]

New constituencies proposed:

Constituency proposed to be abolished:

These constituency changes will take effect from the dissolution of the current Dáil.

Current constituencies[edit]

The 2017 report of the Constituency Commission,[7] proposed several changes to Dáil constituencies. These changes were provided for by the Electoral (Amendment) (Dáil Constituencies) Act 2017, which came into effect at the 2020 general election. The total number of TDs increased by two to 160, while the number of constituencies was reduced by one to 39, as well as various boundary revisions.[8]

Dáil constituencies as of the 2020 election.
Constituency Seats
Carlow–Kilkenny 5
Cavan–Monaghan 5
Clare 4
Cork East 4
Cork North-Central 4
Cork North-West 3
Cork South-Central 4
Cork South-West 3
Donegal 5
Dublin Bay North 5
Dublin Bay South 4
Dublin Central 4
Dublin Fingal 5
Dublin Mid-West 4
Dublin North-West 3
Dublin Rathdown 3
Dublin South-Central 4
Dublin South-West 5
Dublin West 4
Dún Laoghaire 4
Galway East 3
Galway West 5
Kerry 5
Kildare North 4
Kildare South 4
Laois–Offaly 5
Limerick City 4
Limerick County 3
Longford–Westmeath 4
Louth 5
Mayo 4
Meath East 3
Meath West 3
Roscommon–Galway 3
Sligo–Leitrim 4
Tipperary 5
Waterford 4
Wexford 5
Wicklow 5

See also[edit]


  1. ^ a b "Constituency Review Report 2023" (PDF). An Coimisiún Toghcháin. August 2023.
  2. ^ Electoral Reform Act 2022, s. 56: Constituency reviews (No. 30 of 2022, s. 56). Enacted on 25 July 2022. Act of the Oireachtas. Retrieved from Irish Statute Book on 10 February 2023.
  3. ^ Electoral (Amendment) Act 2009, s. 9: Substitution of Part II of Electoral Act 1997 (No. 4 of 2009, s. 9). Enacted on 24 February 2009. Act of the Oireachtas. Retrieved from Irish Statute Book on 11 November 2021.
  4. ^ Electoral Reform Act 2022, s. 57: Constituency review reports (No. 30 of 2022, s. 57). Enacted on 25 July 2022. Act of the Oireachtas. Retrieved from Irish Statute Book on 10 February 2023.
  5. ^ "Dáil and European Parliament Constituency Review". Electoral Commission. Archived from the original on 10 February 2023. Retrieved 10 February 2023.
  6. ^ "Number of TDS to increase by 14 with four new constituencies". 30 August 2023.
  7. ^ "Constituency Commission Report 2017" (PDF). Constituency Commission. 27 June 2017. Archived (PDF) from the original on 11 November 2020. Retrieved 29 January 2018.
  8. ^ Electoral (Amendment) (Dáil Constituencies) Act 2017 (No. 39 of 2017). Enacted on 23 December 2017. Act of the Oireachtas. Retrieved from Irish Statute Book on 11 November 2021.

External links[edit]