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Factbox-What you need to know about Portugal’s presidential election

By Thomson Reuters Jan 14, 2026 | 8:48 AM

By Canan Sevgili and Tiago Brandao

Jan 14 (Reuters) – Portuguese voters will elect a new president on Sunday in a race that opinion polls suggest remains wide-open between at least three frontrunner candidates.

If no candidate wins more than 50% of votes cast, a runoff has been tentatively set for February ‍8 – the first time such a vote will have been required in four decades, a reflection of how fragmented the political landscape has become.

Although the Portuguese presidency is a largely ceremonial role, it carries significant political weight at times of crises as the head of state can dissolve parliament, dismiss the government, call a snap election and veto legislation.

HOW DOES THE ELECTION SYSTEM WORK?

Outgoing conservative President Marcelo Rebelo de Sousa has been in office since 2016 and is constitutionally barred from seeking ‌a third consecutive five-year term. He has used his power to call snap elections ‌thrice, in 2021, 2023 and 2025.

A candidate needs to get more than 50% of valid votes to win. Voters cast ballots for a single candidate, and if no one gets 50%, the two leading candidates proceed to the runoff.

Any Portuguese citizen aged over 35 can run if they garner at least 7,500 supporting signatures and if the candidacy and ​the signatures are vetted by the Constitutional Court.

WHO ARE THE MAIN CANDIDATES AND WHAT ARE THEIR PLEDGES?

The only candidate without prior political experience, he says he can be a unifying figure amid growing political fragmentation and “guide the country with security and confidence”.

• Luis Marques Mendes, 68, is backed by the main ruling centre-right Social Democratic Party, which he briefly led in 2005-2007 before becoming a TV political commentator. He says Portugal needs “ambition” and vows to challenge what he calls a “conformist, resigned, depressed and complacent” status quo.

(Reporting by Canan Sevgili and Tiago BrandaoEditing by ⁠Andrei Khalip and Gareth Jones)