Luiz Inácio Lula da Silva won Brazil’s presidential runoff on 25 October 2026 with 51.79% of valid votes against 48.21% for Senator Flávio Bolsonaro of the Liberal Party (PL). The margin was about 4.43 million votes, from roughly 64.26 million against 59.83 million. Turnout was 80.78%. Lula, who is 80, takes a fourth non-consecutive term and is due to be sworn in on 5 January 2027.
The headline result hides the shape of the state he inherits. Three weeks earlier, in the first round on 4 October, Flávio Bolsonaro led with 47.03% to Lula’s 45.16%, a gap of about 2.2 million votes. No Brazilian presidential candidate had come back from a first-round deficit in nearly four decades. Turnout rose between rounds, which probably helped him; first-round abstention had been 21.08%, about 33.4 million people, the highest in a general election since 1998.
The legislative vote went the other way. PL is now the largest party in both houses. It took 121 of 513 seats in the Chamber of Deputies, up from 98, and will hold 28 of 81 Senate seats. Center-right parties together hold roughly 57% of the Chamber and about 50 Senate seats, one above the 49 needed for a constitutional amendment. Twenty of 27 governorships were settled in the first round, a record, and most went right or center-right. Tarcísio de Freitas was re-elected in São Paulo with 62.65% against Fernando Haddad. PL swept the three southern states.
Situation Summary
Brazil has a left-wing president with a personal mandate and a Congress that leans hard the other way. The country is also split on a familiar map. Lula carried all nine Northeastern states plus Amazonas, Pará and Amapá; Flávio Bolsonaro took the South, Southeast, Center-West, the Federal District and four Northern states.
The losing side’s response has been mixed. On election night Flávio Bolsonaro said it was “impossible to recognise” the result and promised to seek annulment, pointing to Justice Cristiano Zanin’s decision to extend voting by two hours after transport problems and bad weather (both campaigns had asked for an extension). Fewer than 35,000 votes were cast in the extra period, a small fraction of the margin. On 26 October PL chairman Valdemar Costa Neto said the party recognises the result, while asking for questions about the process to be cleared up. No formal challenge had been reported filed as of 27 October. The Federal Police are looking into alleged transport disruptions in five states.
The legal pressure on the runner-up is growing. On 23 October Justice Alexandre de Moraes ordered a freeze of up to R$6 billion in assets tied to lawyer Willer Tomaz, cancelled his passports and lifted bank secrecy on his companies, as part of an inquiry into whether Tomaz’s accounts were used to hide money for the senator. A second Supreme Court inquiry into Flávio Bolsonaro, also under Moraes, became public on 18 October. Tomaz’s defence denies the allegations.
Key Actors and Drivers
Lula and the PT. The campaign ran on cost of living, protection of social programmes, free weekend public transport, and sovereignty against foreign interference. The flagship legislative item is a constitutional amendment cutting the weekly hours cap from 44 to 40 and moving to a five-day week. Business groups oppose it. With this Congress it looks hard to pass in its current form.
PL and the Bolsonaro camp. Jair Bolsonaro is ineligible until 2030 and serving a 27-year sentence for the plot to overturn the 2022 result. The family brand survived without him on the ballot; deputies such as Nikolas Ferreira and Lucas Pavanato each drew more than 3 million votes. Several new right-wing senators campaigned on tighter congressional checks on the Supreme Federal Court, and some on impeaching individual justices. With a Senate this size, that is a working lever.
The center (Centrão). Party fragmentation means the right’s numbers don’t turn into automatic majorities. MDB, PSD, PP, Republicanos and União Brasil will price their votes bill by bill, as they did through Lula’s third term. Republicanos now runs São Paulo, Minas Gerais and Mato Grosso, which gives it weight beyond its seat count.
The judiciary. The Supreme Court is both referee and target. Zanin, a former Lula lawyer, signed the voting-hours order; Moraes runs the inquiries touching the defeated candidate. Each ruling will be read politically by half the country.
Washington. The Trump administration has backed the Bolsonaro family. On 26 October President Trump called the vote “rigged” without evidence, while saying he hadn’t taken sides. Lula campaigned against US tariffs and against what he called interference in his predecessor’s trial. Bilateral trade and tariff relief are now hostage to that history.
What to Watch
First, whether Flávio Bolsonaro files anything with the Superior Electoral Court before the result is certified, and whether he does it against his own party’s line. A split between the candidate and Costa Neto would tell you how much of PL’s new bench actually follows the family.
Second, the leadership votes for the Chamber and Senate in February 2027. Whoever PL and the Centrão put in those chairs sets the agenda on the workweek amendment, on any move against Supreme Court justices, and on the 2027 budget. Lula’s ability to govern will be visible there before it shows anywhere else.
Third, the Tomaz inquiry. If it reaches charges against a sitting senator who just took 48% of the national vote, expect it to dominate the first months of the term and to feed the claim that courts are running politics.
Fourth, fiscal signals. Markets expect a Lula fourth term to keep spending loose with partial adjustment. The cabinet picks for finance and planning, and how the government handles the consumption tax reform rollout, will show whether he is going to fight this Congress or bargain with it. Probably both, issue by issue. That is how Brasília has worked for thirty years, and nothing in this result changes it.