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Politics & Governance10 Oct 2026 · about 7 min

Brazil 'has moved to the right progressively over the last two decades', expert says

The brief

Brazil's first-round presidential vote did not settle the election. Flavio Bolsonaro and President Luiz Inacio Lula da Silva advanced to a runoff, where voters will choose between them later this month. The first round therefore narrowed the field to a final two rather than producing an outright winner. The key mechanism is the transfer of support. Candidates who failed to reach the runoff are eliminated, but their voters can still participate in the next vote. Ronaldo Caiado and Romeu Zema, two right-wing politicians who ran against Flavio on Sunday, have endorsed him. Their backing may help direct their former supporters toward his campaign. The runoff remains open because the article gives no final vote totals. Anthony Pereira says Flavio will probably gain voters from other right-wing candidates, while Lula's route depends more on mobilising people who skipped the first round. The balance between transferred votes and new turnout will shape the result.

01

What happened in Brazil's first-round election, and why are Flavio Bolsonaro and Lula now facing each other in a runoff?

Brazil's first-round presidential vote did not settle the election. Flavio Bolsonaro and President Luiz Inacio Lula da Silva advanced to a runoff, where voters will choose between them later this month. The first round therefore narrowed the field to a final two rather than producing an outright winner.

The key mechanism is the transfer of support. Candidates who failed to reach the runoff are eliminated, but their voters can still participate in the next vote. Ronaldo Caiado and Romeu Zema, two right-wing politicians who ran against Flavio on Sunday, have endorsed him. Their backing may help direct their former supporters toward his campaign.

The runoff remains open because the article gives no final vote totals. Anthony Pereira says Flavio will probably gain voters from other right-wing candidates, while Lula's route depends more on mobilising people who skipped the first round. The balance between transferred votes and new turnout will shape the result.

02

What is a runoff election, and how does Brazil's two-round presidential voting system work?

A runoff election is a second vote held after an initial contest when no candidate reaches the required majority. It matters because the first round can include several candidates, while the runoff forces voters to choose between the two strongest contenders. This usually produces a clearer winner.

In Brazil's presidential system, voters first choose among multiple candidates. If one candidate receives more than half of the valid votes, that candidate wins immediately. If nobody reaches that level, the two candidates with the most votes advance to a later runoff. Supporters of eliminated candidates then decide whether to participate and whom to support.

That process explains the current Brazilian contest. The article reports that Flavio Bolsonaro and Luiz Inacio Lula da Silva are facing each other in the runoff. It does not provide their first-round totals, but it shows why endorsements and turnout now matter: the final vote includes both transferred support and people who stayed home earlier.

03

Why do endorsements from Ronaldo Caiado and Romeu Zema matter to Flavio Bolsonaro after they were eliminated?

Endorsements matter because losing candidates can influence where their former supporters go next. Ronaldo Caiado and Romeu Zema both ran against Flavio Bolsonaro in Sunday's first round, but they have now publicly backed him for the runoff. Their decisions help signal which candidate they believe their political supporters should choose.

The main mechanism is consolidation. Caiado and Zema are described as right-wing politicians, and Flavio may benefit if voters who supported other right-wing candidates move to him. An endorsement does not automatically transfer every vote, but it can provide legitimacy, campaign networks, media attention, and a clearer choice for voters.

Anthony Pereira says Flavio will probably benefit from voters who supported other right-wing candidates. That makes the endorsements strategically important, although they do not guarantee victory. Lula faces a different challenge: Pereira says his path lies in mobilising people who did not vote in the first round. The runoff will test which strategy works better.

04

What can happen to the candidates' chances when voters who supported eliminated candidates switch to one of the two runoff candidates?

When a candidate is eliminated, the votes they received do not move automatically. Their former supporters must make a new choice in the runoff, and that choice can change the balance between the two finalists. Even a modest shift can matter when the leading candidates are closely matched.

For example, Anthony Pereira expects Flavio Bolsonaro to benefit from voters who supported other right-wing candidates. Ronaldo Caiado and Romeu Zema have endorsed him, giving those voters a direct signal. The mechanism is political consolidation: similar candidates and their supporters may unite behind one finalist to prevent the other from winning.

The transfer is never guaranteed. Some former supporters may back the other finalist, vote blank or invalid, or not participate. The article also highlights another pool: people who did not vote in the first round. Pereira says Lula must mobilise them, while Flavio appears better placed to collect support from eliminated right-wing candidates.

05

How many candidates can advance from Brazil's first round to the presidential runoff, and what share of the vote is needed to win outright in the first round?

Brazil's presidential election can move from a broad first round to a direct two-person contest. Only two candidates advance to the runoff: the two who receive the most votes when nobody wins outright. This rule prevents a candidate from taking the presidency with only a small plurality in a crowded field.

To win immediately, a candidate generally needs more than 50 percent of the valid votes in the first round. If no one reaches that majority, the leading two candidates face each other in a later vote. Voters who supported everyone else must then decide whether to switch, abstain, or use another permitted voting option.

The article applies this system to Brazil's current race. Flavio Bolsonaro and Luiz Inacio Lula da Silva are now the two runoff candidates. The source does not state their first-round vote shares, so it cannot show how close they were. It does show that endorsements and turnout could determine which finalist wins the required majority.

06

Why might people who did not vote in the first round become especially important in the runoff?

Nonvoters can become especially important in a runoff because the second contest may be decided by people who were absent from the first. The two finalists are competing not only for the supporters of eliminated candidates, but also for citizens who did not participate previously. Turning nonvoters into voters can change the electorate's size and composition.

The article gives Lula a clear reason to focus on this group. Anthony Pereira, Executive Director of the Stone Center for Latin American Studies at Tulane University, says Lula's path to victory lies in mobilising voters who did not vote in the first round. That means persuading them to participate and support him, rather than assuming first-round results will repeat.

Flavio Bolsonaro has a different apparent advantage. Pereira says voters who supported other right-wing candidates will probably migrate to Flavio. The runoff will therefore depend on competing sources of support: Lula's ability to expand turnout and Flavio's ability to consolidate existing right-wing votes. The article does not say how many nonvoters there were.

07

What do “left” and “right” generally mean in politics, and why can a country’s political direction change over time?

In broad terms, the political left is associated with reducing inequality, expanding social protections, and using government to shape economic outcomes. The right is more often associated with tradition, private enterprise, national identity, or stronger emphasis on order and individual responsibility. These labels are general, not precise descriptions of every politician.

A country's political direction can change when voters shift their priorities or when parties adapt to new concerns. Economic conditions, public security, social values, leadership, and reactions against previous governments can all influence that movement. Candidates may also attract support by joining forces with ideologically similar groups after an election.

The article places Brazil's current contest in a longer trend. It says Brazil has moved progressively to the right over the last two decades, according to Anthony Pereira. It also describes Ronaldo Caiado and Romeu Zema as right-wing politicians who endorsed Flavio Bolsonaro. That context suggests the runoff is part of a broader political shift, though the article does not explain every cause.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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