1980 Portuguese legislative election

The 1980 Portuguese legislative election took place on 5 October. The election renewed all 250 members of the Assembly of the Republic.

Following the victory of the Democratic Alliance (AD) in the previous election, on 2 December 1979, Francisco Sá Carneiro was sworn in as Prime Minister in January 1980. However, since this was a special election and due to the decree that approved the Constitution, which stipulated that the first legislature had a fixed date of completion on 14 October 1980,"Decreto de Aprovação da Constituição, de 10 de abril", Diário da República, 10 April 1976. Retrieved 14 February 2026. another election had to be held.

The Democratic Alliance (AD) was again the winner and increased its majority from 10 months before, in December 1979. The AD won almost 48 percent of the votes and gathered 134 seats, an increase of six seats."Vitória de Sá Carneiro nas eleições de 1980 ", RTP, 8 September 2015. Retrieved 9 June 2022. The Socialist Party (PS), now leading a broad coalition called Republican and Socialist Front (FRS), got basically the same vote share and seats the PS alone obtained in 1979. The Communist led alliance, United People Alliance (APU) lost some ground, gathering almost 17 percent of the votes, 2 percentage points lower than 10 months earlier. The Popular Democratic Union (UDP) was again able to hold its sole seat, while the far-right neo-salazarist PDC–MIRN/PDP–FN coalition, failed to make any breakthrough.

Turnout was one of the highest ever, almost 84 percent, and in terms of ballots cast, the more than 6 million votes cast was a record in Portuguese elections for 44 years after being surpassed in the 2024 legislative election.

Background After taking office as prime minister in early 1980, marking the first peaceful transfer of power after the revolution, and with only a few months left to govern before a new election, Francisco Sá Carneiro's AD government initiated a series of policies, such as dismantling the post-revolution agrarian reforms by giving back illegally occupied lands to their legitimate owners and distribute plots of land to farmers,, expansive economic policies to stimulate private investment, price controls and increase in social benefits, while on the other hand, a strong control of the media. The process of Portugal's accession to the European Economic Community was also relaunched after being frozen due to the political instability of the two years prior. The short government term would also be marked by the terrible relationship between President Ramalho Eanes and the prime minister.

On the opposition side, and in order to respond to the success of the AD, the Socialist Party (PS) decided to form a left-wing coalition called the Republican and Socialist Front (FRS), which also included the Left-wing Union for the Socialist Democracy (UEDS) and the Independent Social Democratic Action (ASDI).

Electoral system The Assembly of the Republic has 250 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 126 (absolute majority) for both the Government's Programme to be rejected or for a motion of no confidence to be approved.

The number of seats assigned to each district depends on the district magnitude. The use of the d'Hondt method makes for a higher effective threshold than certain other allocation methods such as the Hare quota or Sainte-Laguë method, which are more generous to small parties.Gallaher, Michael (1992). "Comparing Proportional Representation Electoral Systems: Quotas, Thresholds, Paradoxes and Majorities"

For these elections, and compared with the 1979 elections, the MPs distributed by districts were the following: District Number of MPs Map Lisbon 56 Porto 38 Setúbal 17 Aveiro and Braga 15 Santarém and Coimbra 12 Leiria 11 Viseu 10 Faro 9 Castelo Branco, Viana do Castelo and Vila Real 6 Azores, Beja, Évora, Guarda and Madeira 5 Bragança and Portalegre 4 Europe and Outside Europe 2

Parties The table below lists the parties represented in the Assembly of the Republic during the second half of the 1st legislature (1976–1980), as the 1979 election was a national by-election, and that also contested the elections: Name Ideology Political position Leader 1979 resultComposição dos Grupos Parlamentares/Partidos Seats atdissolution % Seats PPD/PSD Social Democratic Party Centre-right Francisco Sá Carneiro45.3% CDS Democratic and Social Center Christian democracy Diogo Freitas do Amaral PPM People's Monarchist Party MonarchismGreen conservatism Right-wing Gonçalo Ribeiro Telles PS Socialist Party Social democracy Centre-left Mário Soares 27.3% PCP Portuguese Communist Party CommunismMarxism–Leninism Far-left Álvaro Cunhal18.8% MDP/CDE Portuguese Democratic Movement Left-wing nationalismDemocratic socialism Left-wing José Manuel Tengarrinha UDP Popular Democratic Union MarxismSocialism Left-wing Mário Tomé 2.2% MR The ReformersFrancisco Sousa Tavares José Medeiros Ferreira Armando Adão Silva Nuno Maria Matos Pelágio Madureira

Seat changes In January 1980, MPs Francisco Sousa Tavares, José Medeiros Ferreira, Armando Adão Silva, Nuno Maria Matos and Pelágio Madureira, elected in the Democratic Alliance lists, left the Social Democratic Party caucus and formed their own parliamentary group, the Reformers, following the agreement made with AD in order for them to be elected.

Campaign period Issues The campaign was dominated by deep political and personal divisions. The Socialist Party (PS)-led coalition, the Republican and Socialist Front (FRS), campaigned against Prime Minister Francisco Sá Carneiro mostly on personal issues, criticizing his marital situation of living with another woman, Snu Abecassis, while still remaining married to his first wife, in addition to the accusation that Sá Carneiro owed money to the banks, an issue also raised by the Communists. The Democratic Alliance (AD) campaign responded with the accusation that Soares' father was a defrocked priest. The clash between Sá Carneiro and President Ramalho Eanes was also center stage during the campaign, with the AD blaming the political stalemate on the President, in addition to the Alliance wanting to modify the constitution by a simple majority, via referendum, a move that was rejected by Eanes.

Party slogans Party or alliance Original slogan English translation Refs AD « Garantir o progresso. » "Ensure progress." FRS « Um governo para todos. A sua segurança. » "A government for all. Your safety." APU « Vota APU, para a vitória de Abril » "Vote APU, for the victory of April" UDP « Abril de novo pela força do povo » "April again by the strength of the people"

Opinion polling Polling firm/Link Date Released Lead 1980 legislative election 5 Oct 1980 47.6 27.8 16.8 1.4 6.4 19.8 Antropos Sep 1980 52.0 32.4 13.8 1.8 19.6 Norma/Expresso 12 Jul 1980 43.1 22.5 8.9 1.5 24.0 20.6 Antropos Jul 1980 49.4 34.9 11.9 3.8 14.5 1979 local elections 16 Dec 1979 47.2 27.7 20.5 1.3 3.3 19.5 1979 legislative election 2 Dec 1979 45.3 27.3 18.8 2.2 6.4 17.5

Results National summary

Distribution by constituency

| style="background:; color:white;"|57.0 | 4 | 27.3 | 1 | 1.3

| 5 |- | style="text-align:left;" | Aveiro | style="background:#2A52BE; color:white;"|58.8 | 10 | 27.1 | 4 | 6.8 | 1 |colspan="4" rowspan="11" bgcolor="#AAAAAA"| |colspan="2" bgcolor="#AAAAAA"| | 15 |- | style="text-align:left;" | Beja | 22.4 | 1 | 21.1 | 1 | style="background:; color:white;"|47.1 | 3 | 1.3

| 5 |- | style="text-align:left;" | Braga | style="background:#2A52BE; color:white;"|54.9 | 9 | 29.3 | 5 | 8.4 | 1 | 0.9

| 15 |- | style="text-align:left;" | Bragança | style="background:#2A52BE; color:white;"|65.3 | 3 | 21.3 | 1 | 4.8

| 1.0

| 4 |- | style="text-align:left;" | Castelo Branco | style="background:#2A52BE; color:white;"|51.0 | 4 | 30.3 | 2 | 10.5

| 0.7

| 6 |- | style="text-align:left;" | Coimbra | style="background:#2A52BE; color:white;"|46.1 | 6 | 35.9 | 5 | 9.9 | 1 | 0.8

| 12 |- | style="text-align:left;" | Évora | 29.2 | 1 | 18.7 | 1 | style="background:; color:white;"|45.7 | 3 | 0.9

| 5 |- | style="text-align:left;" | Faro | style="background:#2A52BE; color:white;"|37.2 | 4 | 34.7 | 4 | 16.7 | 1 | 1.9

| 9 |- | style="text-align:left;" | Guarda | style="background:#2A52BE; color:white;"|60.6 | 4 | 26.3 | 1 | 5.0

| 0.7

| 5 |- | style="text-align:left;" | Leiria | style="background:#2A52BE; color:white;"|59.8 | 7 | 22.7 | 3 | 9.7 | 1 | 1.0

| 11 |- | style="text-align:left;" | Lisbon | style="background:#2A52BE; color:white;"|41.6 | 25 | 28.1 | 17 | 23.1 | 13 | 1.7 | 1 | 56 |- | style="text-align:left;" | Madeira | colspan="4" bgcolor="#AAAAAA"| | 2.9

| style="background:; color:white;"|63.6 | 4 | 16.5 | 1 | 4.5

| 5 |- | style="text-align:left;" | Portalegre | style="background:#2A52BE; color:white;"|33.4 | 2 | 32.4 | 1 | 26.1 | 1 | colspan="2" rowspan="9" bgcolor="#AAAAAA"| | colspan="2" rowspan="7" bgcolor="#AAAAAA"| | 0.7

| 4 |- | style="text-align:left;" | Porto | style="background:#2A52BE; color:white;"|46.6 | 19 | 34.3 | 14 | 11.9 | 5 | 1.4

| 38 |- | style="text-align:left;" | Santarém | style="background:#2A52BE; color:white;"|42.1 | 6 | 30.4 | 4 | 19.0 | 2 | 1.2

| 12 |- | style="text-align:left;" | Setúbal | 24.1 | 4 | 23.5 | 4 | style="background:; color:white;"|44.0 | 9 | 2.8

| 17 |- | style="text-align:left;" | Viana do Castelo | style="background:#2A52BE; color:white;"|59.2 | 5 | 22.8 | 1 | 10.0

| 0.7

| 6 |- | style="text-align:left;" | Vila Real | style="background:#2A52BE; color:white;"|62.1 | 5 | 22.8 | 1 | 5.1

| 0.8

| 6 |- | style="text-align:left;" | Viseu | style="background:#2A52BE; color:white;"|66.8 | 8 | 20.9 | 2 | 5.0

| 0.6

| 10 |- | style="text-align:left;" | Europe | style="background:#2A52BE; color:white;"|49.6 | 1 | colspan="2" rowspan="2" bgcolor="#AAAAAA"| | 15.2

| 25.4 | 1 | 1.4

| 2 |- | style="text-align:left;" | Outside Europe | style="background:#2A52BE; color:white;"|85.5 | 2 | 2.6

| 4.0

| 0.4

| 2 |- |- class="unsortable" style="background:#E9E9E9" | style="text-align:left;" | Total | style="background:#2A52BE; color:white;"|44.9 | 126 | 26.7 | 71 | 16.8 | 41 | 2.5 | 8 | 1.1 | 3 | 1.4 | 1 | 250 |- | colspan=14 style="text-align:left;" | Source: Comissão Nacional de Eleições

Maps

Aftermath Death of Francisco Sá Carneiro

Just two months after winning the 1980 election, and while campaigning for the Democratic Alliance's candidate for the December 1980 Presidential election, Prime Minister Francisco Sá Carneiro and his Defense minister Adelino Amaro da Costa, along with their spouses Snu Abecassis and Maria Vaz Pires, respectively, plus the plane's pilot, died in tragic air crash when the small aircraft they were on board crashed and burned in Camarate, Loures, shortly after taking off from Lisbon Airport. This tragic air crash sparked a series of conspirancy theories, mainly because of Portugal's involvement in the Iran–Iraq War and the supply of weapons to both Iraq and Iran. Several investigations surrounding the crash were conducted and the official cause of the crash is still a matter of intense debate. Diogo Freitas do Amaral was appointed as interim Prime Minister until the election of Francisco Pinto Balsemão as PSD leader and subsequent nomination as Prime Minister.

Fall of the government

1980 Portuguese legislative election

Bron en licentie