Electoral system for national legislature

Portugal, Law governing Elections to the Assembly of the Republic (Lei Eleitoral da Assembleia da Republica) (14/79 of 16 May 1979, last amended in 2020), accessed 5 August 2024

Article 16: Criterion for election 

Votes are converted into seats in accordance with d’Hondt’s proportional representation method and in compliance with the following rules: a) The number of votes received by each list in the respective constituency shall be counted separately; b) The number of votes counted for each list shall be successively divided by 1, 2, 3, 4, 5, etc., and the quotients shall be placed in descending order in a series made up of as many terms as there are seats attributed to the respective constituency; c) The seats shall belong to the lists to which the terms of the series created under the previous rule correspond, and each list shall receive the same number of seats as it has terms in the series; d) In cases in which just one seat remains to be distributed and the next terms of the series are the same and from different lists, the seat shall go to the list that obtained the smallest number of votes.

Article 17 Distribution of places within lists 

1 - Within each list the seats shall be awarded to the candidates in accordance with the order of precedence laid down in Article 15(2). 2 - In cases of the death of a candidate or an illness that causes a physical or psychological impossibility, the seat shall be awarded to the next candidate under the aforesaid order of precedence. 3 - The existence of an incompatibility between the functions performed by a candidate and his exercise of the office of Member of the Assembly of the Republic shall not prevent the award of a seat.

Portugal, COMISSÃO NACIONAL DE ELEIÇÕES, Mapa Oficial n.º 1-C/2021, accessed 28 January 2022

List PR closed system, based on the d'Hondt method