Four centre-right parties endorsed Flávio Bolsonaro on Wednesday, Oct. 7, giving the son of former President Jair Bolsonaro a late burst of establishment support just 17 days before Brazil’s presidential run-off. União Brasil, Progressistas, Republicanos and Novo backed the right-wing candidate, who fell less than three percentage points short of the outright majority needed to win Sunday’s first-round vote.
The endorsements followed Ronaldo Caiado’s announcement a day earlier. Caiado, a former Goias state governor and ex-presidential contender, threw his support behind Bolsonaro. The campaign expects to finalise its party endorsements by Thursday.
A Coalition Built Around a Famous Name
At a Republicanos event late Wednesday, São Paulo Governor Tarcisio de Freitas framed the choice in generational terms. “We can’t be part of a lost generation,” he told Bolsonaro. “We have to deliver on the work that your father started.” The message is clear: the campaign leans heavily on Jair Bolsonaro’s legacy as it tries to consolidate support and answer criticism about the candidate’s lack of governing experience.
Bolsonaro, meanwhile, presented himself as a unifier. “I’ll write every page of Brazil’s history with you,” he said. “I’m known as a bridge builder.” He promised to respect the Constitution and the nation’s politics, and vowed to serve only one term if elected in the October 25 run-off. “There will be stability, peace so everyone can work, as well as respect for the Constitution,” he told reporters. “Brazil will go back to normal.”
Constitutional Changes on the Table
Those reassurances accompany a more ambitious agenda. On Tuesday, Bolsonaro said he could use a congressional majority to amend the Constitution if he became president. That’s no idle flourish. The election produced a more right-leaning legislature, opening the possibility of majorities in both the Senate and the lower house, as well as victories in elections for the leaders of both chambers.
He has cited judicial, tax and public security reforms, along with a proposal to limit presidents to a single term, as changes that would require constitutional amendments. Each area affects the systems that protect rights and distribute the tax burden. So a candidate who promises to honor the Constitution while also pledging to rewrite parts of it invites scrutiny.
The Run-Off Ahead
Bolsonaro will face leftist incumbent Luiz Inácio Lula da Silva in the second round. The first-round gap is narrow, and the growing list of endorsements could matter in a close contest. But party endorsements aren’t votes. Whether backing from four centre-right parties brings support at the ballot box on October 25 remains to be seen.
Why This Matters:
The run-off will decide more than who occupies the presidential palace. A right-leaning Congress and a president open to constitutional amendments could reshape Brazil’s courts, tax system and public security policy—areas where ordinary citizens feel the consequences most directly. Supporters promise stability and a return to normal. Critics will want to know who gains and who loses when judicial and tax rules change, and what safeguards remain if one political bloc controls the presidency and both chambers. A single-term pledge is easy to make and hard to enforce. With 17 days left, voters have little time to weigh how much power they want concentrated in one camp and what that would mean for the institutions meant to check it.