Oct. 4, 2015 Held


Portuguese Republic

Election for Assembleia da República (Portuguese Assembly of the Republic)


Voter Participation

Cast Votes:5,408,805
Valid Votes:5,206,410
Invalid Votes:202,395

Seat Share By Party:

Hover to view number and percent of total seats won by party. Eight largest parties shown, with "others" combined if applicable.

Vote Share by Party:

Party Seats Won Seats Change Votes

Portugal Ahead (Portugal à Frente) 107 - 2,074,975


Socialist Party (Partido Socialista (PS)) 86 - 1,747,685


Left Bloc (Bloco de Esquerda) 19 - 550,892


Democratic Unity Coalition (Coligação Democrática Unitária (CDU)) 17 - 445,980


People-Animals-Nature (Pessoas -Animais -Natureza (PAN)) 1 - 75,140

Election Results Modified: Oct 26, 2015

General Information

Portugal: Assembly of the Republic Election, 4 October 2015

At stake in this election:

  • All 230 seats to the Assembly of the Republic (Assembleia da República)

Description of government structure:

  • Chief of State: President Aníbal CAVACO SILVA (since 9 March 2006)
  • Head of Government: Prime Minister Pedro Manuel PASSOS COELHO Mamede (since 21 June 2011)
  • Assembly: Portugal has a unicameral Assembly of the Republic (Assembleia da República) with 230 seats.

Description of electoral system:

  • In the Assembly of the Republic (Assembleia da República), 226 members are directly elected by closed-list proportional representation in 20 multi-member constituencies. A further four members are elected in 2 constituencies representing Portuguese living abroad in Europe and the rest of the world. These members are elected by proportional representation. Seats are allocated using the d’Hondt Method.

Election Overview:

  • Elections to the Assembly of the Republic (Assembleia da República) were called on 21 July 2015 by President Aníbal CAVACO SILVA. In the last election, held on 5 June 2011, the Social Democratic Party (PSD) won the most votes and seats. Following the election, the PSD formed a governing coalition with the People’s Party (CDS-PP). These two parties will form an electoral coalition for the upcoming election in an effort to retain their parliamentary majority.

Main parties in the election:

Population and number of registered voters:

  • Population: 10,825,309 (July 2015 est.)
  • Registered Voters: 9,676,888 (May 2014)

Gender Data:

  • Female Population: 5,540,960 (July 2015 est.)
  • Is Portugal a signatory to CEDAW: Yes (since 24 April 1980)
  • Has Portugal ratified CEDAW: Yes (since 30 July 1980)
  • Gender Quota: Yes, candidate lists must include at least 33% representation for each gender.
  • Female candidates in this election: Yes.
  • Number of Female Parliamentarians: 61 (26.5%)
  • Human Development Index Position: 41
  • Social Institutions and Gender Index Categorization: N/A

Disability Data:

  • Is Portugal a signatory to CRPD: Yes (since 30 March 2007)
  • Has Portugal ratified CRPD: Yes (since 23 September 2009)
  • Population with a disability: 1,622,075

[1] New political party formed on 20 March 2014. In the European Parliament election in May 2014, the party won 2.18% of the vote.

[2] New political party formed on 5 October 2014.

[3] New political coalition. Following the last election, the PSD formed a governing coalition with the CDS-PP, where there have 132 seats in the Parliament.

Election Modified: May 10, 2024

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