The next Portuguese legislative election will take place on or before 14 October 2029 to elect members of the
Assembly of the Republic to the 18th Legislature of
Portugal
Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...
. All 230 seats to the Assembly of the Republic will be at stake.
The
2025 elections
5 (five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number.
Humans, and many other animals, have 5 digits on their limbs.
Mathematics
5 is a Fermat pri ...
resulted in a
hung parliament
A hung parliament is a term used in legislatures primarily under the Westminster system (typically employing Majoritarian representation, majoritarian electoral systems) to describe a situation in which no single political party or pre-existing ...
and the formation of a
minority government
A minority government, minority cabinet, minority administration, or a minority parliament is a government and cabinet formed in a parliamentary system when a political party or coalition of parties does not have a majority of overall seats in ...
led by
Luís Montenegro
Luís Filipe Montenegro Cardoso de Morais Esteves (; born 16 February 1973) is a Portuguese politician and lawyer serving as the prime minister of Portugal since April 2024. He is the president of the Social Democratic Party (Portugal), Social De ...
. An election may occur before the scheduled date if the
President of Portugal
The president of Portugal, officially the president of the Portuguese Republic (, ), is the head of state and highest office of Portugal.
The powers, functions and duties of prior presidential offices, and their relation with the prime minister ...
dissolves Parliament for a snap election or if the
Assembly of the Republic passes a motion of no confidence in the government. Early elections are more likely during minority governments, as the Prime Minister does not command a majority in the Assembly.
Background
The centre-right to right-wing
Democratic Alliance (AD), led by incumbent Prime Minister
Luís Montenegro
Luís Filipe Montenegro Cardoso de Morais Esteves (; born 16 February 1973) is a Portuguese politician and lawyer serving as the prime minister of Portugal since April 2024. He is the president of the Social Democratic Party (Portugal), Social De ...
, won the largest number of seats. Compared to the 2024 election, the AD increased its vote share to 32%, and received 91 seats. However, this still fell short of the 116 seats required for a majority. The far-right populist party
Chega (CH) increased its vote share to nearly 23% and won 60 seats, becoming the second largest party in Parliament.
The
Socialist Party
Socialist Party is the name of many different political parties around the world. All of these parties claim to uphold some form of socialism, though they may have very different interpretations of what "socialism" means. Statistically, most of th ...
(PS) lost ground, falling to third place for the first time in democracy, with also nearly 23% of the votes and gathered just 58 seats.
The
Liberal Initiative
The Liberal Initiative (, , IL) is a liberal political party in Portugal. Founded in 2017, it is currently led by Miguel Rangel, who is the interim leader since the resignation of Rui Rocha in May 2025. The party has been described as being ...
(IL) was able to get nine seats and gather five percent of the votes.
LIVRE
Livre may refer to:
Currency
* French livre, one of a number of obsolete units of currency of France
* Livre tournois, one particular obsolete unit of currency of France
* Livre parisis, another particular obsolete unit of currency of France
* Fre ...
surpassed BE and PCP by gathering four percent of the votes and six seats.The other left-wing parties, the
Portuguese Communist Party
The Portuguese Communist Party (, , PCP) is a Communism, communist and Marxism–Leninism, Marxist–Leninist List of political parties in Portugal, political party in Portugal. It is one of the strongest List of communist parties, communist par ...
(PCP) and the
Left Bloc (BE), achieved their worst results ever with the Communist-Green alliance getting just three percent of the votes and three seats, while BE lost four seats, electing a sole MP and getting two percent of the votes.
People Animals Nature
People-Animals-Nature (, PAN) is an Environmentalism, environmentalist, animal rights, and animal welfare-focused political party in Portugal, which was founded in 2009. In the 2011 Madeira regional elections, 2011 Madeiran regional election, it ...
(PAN) was able to win, once again, just one seat, just like the Madeiran based
Together for the People
Together for the People (, JPP) is a political party operating primarily in Madeira. Its founding principles are Unity, Transparency and Resistance, as evidenced by its symbol. It was legalised by the Portuguese Constitutional Court on 27 Januar ...
(JPP), who entered Parliament for the first time.
Eleven days after election day, on 29 May 2025, Luis Montenegro was asked by
President of the Republic
The President of the Republic is a title used for heads of state and/or heads of government in countries having republican form of government.
Designation
In most cases the president of a republic is elected, either:
* by direct universal s ...
Marcelo Rebelo de Sousa
Marcelo Nuno Duarte Rebelo de Sousa (; born 12 December 1948) is a Portuguese politician and academic who is the president of Portugal since 2016. He is a member of the Social Democratic Party, though he suspended his party membership for the ...
to form a government, once again a minority one. The new government was sworn into office on 5 June 2025.
Leadership changes and challenges
Socialist Party
After achieving a disappointing result and finishing in third place, then secretary-general
Pedro Nuno Santos
Pedro Nuno de Oliveira Santos (born 13 April 1977) is a Portuguese economist and politician, who has served as the Secretary-General of the Socialist Party (Portugal), Socialist Party from January 2024 to May 2025. Santos previously held positi ...
resigned on election night, 18 May 2025, leaving the party's president
Carlos César
Carlos Manuel Martins do Vale César, Order of Christ (Portugal), GCC (born 30 October 1956) is a Portuguese politician and former President of the Regional Government of the Portugal, Portuguese autonomous region of the Azores. He currently ser ...
as interim leader. A leadership election was ultimately called for 27 and 28 June 2025.
José Luís Carneiro
José Luís Pereira Carneiro (born 4 October 1971) is a Portuguese politician from the Socialist Party (Portugal), Socialist Party and, after 28 June 2025, will be the Socialist Party's Secretary-General.
Political career
Carneiro served as Mi ...
announced his intention to run for the party's leadership on the day after the May 2025 election, while other figures like
Mariana Vieira da Silva,
Fernando Medina
Fernando Medina Maciel Almeida Correia (born 10 March 1973) is a Portuguese economist and politician Socialist Party (PS) who served as Minister of Finance in the government of Prime Minister António Costa from 2022 to 2024. He previously served ...
and
Alexandra Leitão
Alexandra Ludomila Ribeiro Fernandes Leitão (born 8 April 1973) is a Portuguese politician, jurist and professor of law.
Biography
Leitão was born on April 8, 1973. She was Secretary of State for Education in the XXI Constitutional Governmen ...
declined to run. After the deadline for submitting candidacies passed on 12 June 2025, Carneiro was the only candidate to submit one, making him the winner of the ballot and the newly elected leader of the party, although this will only be official after ballot day.
Liberal Initiative
On 31 May 2025, Liberal Initiative President
Rui Rocha
Rui Nuno de Oliveira Garcia da Rocha (born 13 March 1970) is a Portuguese politician and member of the Assembly of the Republic who served as President of the Liberal Initiative from 2023 until 2025.
Biography
Born in Lobito, Portuguese Ango ...
announced his resignation as leader, citing the new political scenario and the poor increase of the Liberal Initiative in the previous election as reasons for his resignation. The party's secretary-general, Miguel Rangel, assumed the interim leadership until the next convention, after all the vice presidents refused to do so. The leadership convention ended up being scheduled for 19 July 2025.
On 4 June, Mariana Leitão,
parliamentary leader
A parliamentary leader is a political title or a descriptive term used in various countries to designate the person leading a parliamentary group or caucus in a legislature, legislative body, whether it be a national or sub-national legislature. ...
and the party's former
2026 presidential candidate, announced her candidacy for the party's leadership, withrawing from the presidential race the following day, while other speculated names like
Bernardo Blanco
Bernardo Alves Martinho Amaral Blanco (19 November 1995), is a Portuguese politician. He is currently a Member of the Portuguese Parliament and Vice-President of the Liberal Initiative.
Biography
Blanco was born in Torres Vedras in 1995. He h ...
, former MP from
Lisbon
Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...
, Mário Amorim Lopes, MP from
Aveiro, and Rui Malheiro, candidate for the
February 2025 leadership election, declined to run.
Left Bloc
The Left Bloc is expected to hold a leadership convention on 29 and 30 November 2025, in which incumbent party leader, and sole MP,
Mariana Mortágua
Mariana Rodrigues Mortágua (born 24 June 1986) is a Portuguese economist and politician who is the National Coordinator of the Left Bloc, serving since 28 May 2023. In 2013, she was elected to the Assembly of the Republic of Portugal, replac ...
has already announced her intention to run again. Due to the party's disappointing results in the May 2025 legislative elections, a challenge to her leadership is expected.
Politics of Portugal
The
President of Portugal
The president of Portugal, officially the president of the Portuguese Republic (, ), is the head of state and highest office of Portugal.
The powers, functions and duties of prior presidential offices, and their relation with the prime minister ...
has the power to dissolve the Assembly of the Republic by his/her own will. Unlike in other countries, the President can refuse to dissolve the parliament at the request of the
Prime Minister
A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...
or the Assembly of the Republic and all the parties represented in Parliament. If the Prime Minister resigns, the President can appoint a new Prime Minister after listening to all the parties represented in Parliament and then the government programme must be subject to discussion by the Assembly of the Republic, whose members of parliament may present a motion to reject the upcoming government, or dissolve Parliament and call new elections.
Date
According to the Portuguese Constitution, an election must be called between 14 September and 14 October of the year that the legislature ends. The election is called by the
President of Portugal
The president of Portugal, officially the president of the Portuguese Republic (, ), is the head of state and highest office of Portugal.
The powers, functions and duties of prior presidential offices, and their relation with the prime minister ...
but is not called at the request of the
Prime Minister
A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...
; however, the President must listen to all of the parties represented in Parliament and the election day must be announced at least 60 days before the election. If an election is called during an ongoing legislature (dissolution of parliament) it must be held at least after 55 days. Election day is the same in all multi-seats constituencies, and should fall on a Sunday or national holiday. The next legislative election must, therefore, take place no later than 14 October 2029.
Electoral system
The
Assembly of the Republic has 230 members elected to four-year terms. Governments do not require absolute majority support of the Assembly to hold office, as even if the number of opposers of government is larger than that of the supporters, the number of opposers still needs to be equal or greater than 116 (absolute majority) for both the Government's Programme to be rejected or for a
motion of no confidence
A motion or vote of no confidence (or the inverse, a motion or vote of confidence) is a motion and corresponding vote thereon in a deliberative assembly (usually a legislative body) as to whether an officer (typically an executive) is deemed fi ...
to be approved.
The number of seats assigned to each district depends on the
district magnitude
An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provi ...
. The use of the
d'Hondt method
The D'Hondt method, also called the Jefferson method or the greatest divisors method, is an apportionment method for allocating seats in parliaments among federal states, or in proportional representation among political parties. It belongs to ...
makes for a higher effective threshold than certain other allocation methods such as the
Hare quota
The Hare quota (sometimes called the simple, ideal, or Hamilton quota) is the number of voters represented by each legislator in an idealized system of proportional representation where every vote is used to elect someone. The Hare quota is eq ...
or
Sainte-Laguë method
The Webster method, also called the Sainte-Laguë method (), is a highest averages apportionment method for allocating seats in a parliament among federal states, or among parties in a party-list proportional representation system. The Sainte- ...
, which are more generous to small parties.
The distribution of MPs by electoral district for the 2025 legislative election was the following:
Parties
The table below lists parties currently represented in the
Assembly of the Republic.
Opinion polling
See also
*
Elections in Portugal
Elections in Portugal are free, fair, and regularly held, in accordance with election law.
Only the elections since the Carnation Revolution of 1974 are listed here. During the period encompassing the Constitutional Monarchy and the First Republ ...
*
List of political parties in Portugal
This article lists political parties in Portugal. The Portuguese political scene has been dominated by the Socialist Party (Portugal), Socialist Party and the Social Democratic Party (Portugal), Social Democratic Party since the 1974 Carnation Re ...
*
Politics of Portugal
Politics in Portugal operates as a Unitary state, unitary Multi-party system, multi-party Semi-presidential system, semi-presidential Representative democracy, representative democratic republic, whereby the Prime Minister of Portugal is the hea ...
Notes
References
External links
Official results site, Portuguese Justice MinistryPortuguese Electoral CommissionERC - Official publication of polls
{{Portuguese elections
Legislative elections in Portugal
Future elections in Portugal