Three candidates were in the race: incumbent PSD leader Rui Rio, former PSD parliamentary caucus leader Luís Montenegro and current Deputy Mayor of Cascais Miguel Pinto Luz.[5] Around 40,000 party members, out of almost 110,000, were registered to vote.[6] In the first round, on 11 January, Rui Rio polled ahead with 49% of the votes against the 41.4% of Luís Montenegro and 9.6% of Miguel Pinto Luz, with both Rio and Montenegro qualifying for a second round.[7] A week later, on 18 January, Rui Rio was re-elected as PSD leader with 53.2% of the votes, against the 46.8% of Luís Montenegro.[8] In both rounds, turnout of registered members achieved almost 80%.