1980 Portuguese legislative election


The Portuguese legislative election of 1980 took place on 5 October.
In January 1980, the Democratic Alliance, which had won the previous election, on 2 December 1979, entered office with Francisco Sá Carneiro leading the government. However, this election was an extraordinary election, and so, in 1980, another election was held.

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 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.

Parties

The major parties involved and the respective leaders:
The leader of the Democratic Alliance, Francisco Sá Carneiro, member of the Social Democratic Party was nominated Prime-Minister.

Campaign period

Party slogans

National summary of votes and seats

! rowspan="2" colspan=3 style="background-color:#E9E9E9" align=left|Parties
! rowspan="2" style="background-color:#E9E9E9" align=right|Votes
! rowspan="2" style="background-color:#E9E9E9" align=right|%
! rowspan="2" style="background-color:#E9E9E9" align=right|±
! colspan="5" style="background-color:#E9E9E9" align="center"|Seats
! rowspan="2" style="background-color:#E9E9E9;text-align:right;" |MPs %/
votes %
! style="background-color:#E9E9E9;text-align=center|1979
! style="background-color:#E9E9E9;text-align=center|1980
! style="background-color:#E9E9E9" align=right|±
! style="background-color:#E9E9E9" align=right|%
! style="background-color:#E9E9E9" align=right|±

Distribution by constituency

!rowspan=2|Constituency!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S
!rowspan=2|Total
S
!colspan=2 | AD
!colspan=2 | FRS
!colspan=2 | APU
!colspan=2 | PSD
!colspan=2 | PS
!colspan=2 | UDP

Maps