The Leader of the Opposition (Portuguese: Líder da Oposição) is an unofficial, mostly conventional and honorary title traditionally held by the leader of the largest party in the Assembly of the Republic – the Portuguese parliament – not within the government; historically, since the Carnation Revolution of 1974, these have almost always been the Socialist and the Social Democratic parties.

Quick Facts Term length, Inaugural holder ...

Leader of the Opposition
Líder da Oposição
Logo of the biggest party in opposition
Incumbent Pedro Nuno Santos since 2 April 2024
Term length	No fixed term While leader of the largest political party not in government
Inaugural holder	Francisco de Sá Carneiro (of the Third Republic)
Formation	23 July 1976 (informally)

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Currently, the Social Democratic Party and the CDS – People's Party hold a minority coalition government. The Opposition consists of the Socialist Party, Enough!, Liberal Initiative, the Left Bloc, the Portuguese Communist Party, LIVRE, and the People–Animals–Nature.

The current Leader of the Opposition is Pedro Nuno Santos, since 2 April 2024, when Luís Montenegro took office as Prime Minister in the aftermath of the that year's snap legislative election the previous 10 March.

Due to its workings being based mostly on custom and convention, the Leader of the Opposition has a small official role, even though it is legally, honorifically, and nominally recognised. Law No. 40/2006, that establishes the order of precedence of public authorities in general official acts, places the Leader of the Opposition in eighth place in the list of precedences, only behind the President of the Republic, the legislative speaker, the sitting Prime Minister of Portugal, the presidents of the Supreme Court and the Constitutional Court, the presidents of the Supreme Administrative Court and the Court of Auditors, former presidents of the Republic, and sitting government ministers.^[1]

Even though the Leader of the Opposition is not entitled to a specific salary aside from the one they may have by reason of holding a public office on their own – such as that of deputy – the officeholder usually receives much more attention from the media in parliamentary sessions and activities. It is not, however, required for a Leader of the Opposition to hold the post of deputy in the Assembly of the Republic.^[2]