May 22, 2015 Held





Voter Participation

Cast Votes:1,949,725
Valid Votes:1,935,907
Invalid Votes:13,818

Referendum Vote Share

“Marriage may be contracted in accordance with law by two persons without distinction as to their sex.”




Election Results Modified: Jun 21, 2024

General Information

At stake in this referendum:

  • Voters will vote on the proposed Thirty-fourth Amendment of the Constitution (Marriage Equality Bill).

Description of government structure:

  • Chief of state: President Michael D. HIGGINS
  • Head of Government: Prime Minister Enda KENNY
  • Assembly: Ireland has a bicameral Parliament (Oireachtas) consisting of the Senate (Seanad Éireann) with 60 seats and the House of Representatives (Dáil Éireann) with 166 seats.

** The Prime Minister is nominated by the House of Representatives (Dáil Éireann).

Provisions in the referendum:

  • Thirty-fourth amendment: “Marriage may be contracted in accordance with law by two persons without distinction as to their sex.”[1]

Results of the referendum: 

  • Yes: 1,201,607 votes (62.07%)
  • No: 734,300 votes (37.93%)

Population and number of registered voters:

  • Population: 4,832,765 (2014 est.)[2]
  • Registered voters: 3,202,442 (2011)[3]

Gender Data:

  • Female Population: 2,418,761 (2014 est.)[4]
  • Is Ireland a signatory to CEDAW: No
  • Has Ireland ratified CEDAW: Yes (23 December 1985)[5]
  • Gender Quota:  Yes
  • Female Candidates in this election: N/A
  • Number of Female Legislators: 25 (15%) of 166 seats in the Dáil Éireann[6]
  • Human Development Index (HDI) Position: 11[7]
  • Social Institutions and Gender Index (SIGI) Categorization: N/A[8]

Disability Data:

  • Is Ireland a signatory to CRPD: Yes (30 March 2007)
  • Has Ireland ratified CRPD: No[9]


Election Modified: Jun 21, 2024

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With Participation Rates