Senator Sergio Moro (PL) maintains the lead in the race for the governorship of Paraná, registering 44.7% of voter intentions in the stimulated first-round scenario, according to a survey by Paraná Pesquisas. The poll results were released on September 18, 2026. Moro has shown relative stability in recent rounds, though with a slight numerical reduction from previous months when he recorded 46.1% in August and 45% in an earlier September survey, reported brasil247.com.
Paraná Gubernatorial Race Led by Sergio Moro at 44.7%
Behind the frontrunner, Requião Filho (PDT) occupies the second numerical position with 23%, while Sandro Alex (PSD) registers 19.7%. According to the Gazeta do Povo, Requião Filho and Sandro Alex are tied within the survey’s margin of error. Over successive measurements, Sandro Alex’s support has advanced from 16.5% in August to 17.5% and finally to 19.7%, whereas Requião Filho moved from 23.4% in August to 24% in the previous September poll before landing at 23%.
Additional candidates in the gubernatorial race include Luiz França (Missão) with 0.7%, Doutor Alexandre Salomão (Mobiliza) and Tayná Miessa (UP) both at 0.4%, and Adriano Funileiro (PCO) alongside Samuel de Mattos (PSTU) at 0.3% each. Voters preferring none, blank, or null votes totaled 5.8%, while 4.8% did not know or offer an opinion. In the spontaneous scenario—where interviewers do not present a candidate list—Moro leads with 25.4%, followed by Requião Filho at 9.8% and Sandro Alex at 9.2%, with 48.3% of voters undecided.
Candidate Rejection and Perceived Outcomes
When asked which candidates they would reject entirely, voters placed Requião Filho at the highest level of rejection with 37.8%. Sergio Moro follows with 26.6% rejection, Sandro Alex with 12.2%, Tayná Miessa with 6.8%, Adriano Funileiro and Samuel de Mattos with 5.9% each, Doutor Alexandre Salomão at 5.7%, and Luiz França at 4.8%. Furthermore, 5.9% of respondents stated they could vote for all candidates, while 13.4% were unsure or did not opine.
When questioned independently of their personal vote intention about who they believe will win the election, 50.6% of respondents named Moro. Sandro Alex was selected as the anticipated winner by 17.6% and Requião Filho by 15.2%, while 15.8% did not know how to respond.
Competitive Four-Way Race for Two Senate Seats
The race for Paraná’s two seats in the Federal Senate features a fragmented and tight contest among four leading candidates who each surpass the 25% threshold. Deltan Dallagnol (Novo) leads numerically with 31.6%, closely followed by Alexandre Curi (Republicanos) at 30.4%, Filipe Barros (PL) at 26.3%, and Gleisi Hoffmann (PT) at 25.9%, as detailed by VEJA. Among these top contenders, Filipe Barros demonstrated the most growth, climbing from 22.9% in previous figures back to his August standing. Cristina Graeml (PSD) registers 14.8% and Dr. Rosinha (PT) has 12.5%.
Survey Methodology and Registration
The Paraná Pesquisas fieldwork was conducted from September 15 to September 17, 2026, interviewing 1,280 voters across 57 municipalities in the state. The poll carries an estimated margin of error of 2.8 percentage points in either direction and a confidence level of 95%. The research was commissioned by Sedek Serviços, Tecnologia & Information Ltda. and is officially registered with the Superior Electoral Court (TSE) under the identification number PR-01022/2026. The first-round election voting is scheduled for October 4.