The Brazil runoff is happening right now, and it might be the closest presidential showdown Latin America's biggest country has seen in years. Millions of Brazilians lined up on Sunday to pick between incumbent President Luiz Inacio Lula da Silva and Senator Flavio Bolsonaro, the son of a jailed former president, according to The Guardian.

Final polls show the two men basically tied, and the result is expected late Sunday evening. Nobody is willing to call it, which is exactly why the whole region is watching.

Why This Brazil Runoff Feels So Unpredictable

Three weeks ago, Bolsonaro looked like the favourite. He stunned pollsters by winning the first round, taking forty-seven percent of the vote while Lula collected forty-five percent, according to Reuters. The Guardian notes that the gap was the narrowest ever recorded in a Brazilian first round, at less than two percent.

Since then, momentum has wobbled. The Guardian reports that Bolsonaro began the runoff campaign with a lead and the backing of most defeated candidates, yet instead of growing he stagnated in the polls. Lula, meanwhile, climbed back, and the two men now enter election day virtually level.

History is on the senator's side, though. Reuters points out that no candidate has ever won Brazil's presidency after finishing second in the first round. If Lula pulls it off, he would rewrite that rule and win an unprecedented fourth term.

Two Very Different Brazils on the Ballot

Bolsonaro, forty-five, is the eldest son of Jair Bolsonaro, who is under house arrest while serving a twenty-seven-year sentence for trying to overturn his 2022 defeat. The senator has promised to pardon his father if he wins. He has also vowed to change the constitution, a line that sends chills through critics who fear an authoritarian turn.

Speaking after he voted in Rio de Janeiro, Bolsonaro told reporters that the time had come for real change. In his words, "Brazil can't take another four years the way things are," and he argued that everyone's life has got worse. His pitch leans hard on living costs and a tough approach to crime, including maximum-security prisons and harsher penalties for sexual offences.

Lula's message is the mirror image. He casts the vote as a choice between social rights and a return to a political family that tried to hold power by force. He voted in SΓ£o Bernardo do Campo, the industrial city where his political career began nearly half a century ago, and said he was confident voters would not choose Bolsonaro.

Gen Z Energy and the Turnout Battle

Here is the part that matters most for younger readers. The Guardian says Lula changed his digital strategy for the second round and benefited from student-led protests across the country, many of which did not even involve him directly. Political scientist Helcimara de Souza Telles told the paper that civil society movements, not the campaign itself, drove his recent growth.

Turnout could decide everything. More than thirty-three million people skipped the first round, according to AP, and abstention hit a record high. Lula's camp believes those missing voters lean toward him, so his team spent the final stretch begging people to show up.

The final weekend delivered big crowds for both sides. Copacabana beach turned red for Lula while hundreds of bikers revved their engines for Bolsonaro, according to The Japan Times. Not every moment was friendly, either. A Workers' Party councillor named Iara Pimentel was hospitalised after her motorcade was hit by bottles and bricks, The Guardian reports.

Washington Is Watching Closely

This vote is not just about Brazil. A Bolsonaro win would extend a streak of right-wing victories across Latin America by candidates friendly to US President Donald Trump, according to Reuters. Trump has called Jair Bolsonaro's case a witch hunt and imposed a fifty percent tariff on Brazil in 2025, with fresh levies added this year.

Reuters also reported on Saturday that a campaign inside the US State Department aimed to help get the Bolsonaros back into power, while Washington denies meddling. Lula has framed the tariffs and the closeness between the Trump administration and the Bolsonaro family as bullying. That accusation has been a constant theme of the final weeks.

Some analysts quoted by The Guardian worry about the aftermath. If Lula wins narrowly, they say, Bolsonaro could copy his father's playbook and refuse to concede. The same analysts say Trump might even decline to recognise the result, which would make a tight finish far messier than a normal election night.

What Happens Next

Polls closed nationwide at five in the afternoon Brasilia time, and official counts from the electoral court were set to begin right after. Almost one hundred sixty million people were eligible to vote. The winner takes office in January and will have to deal with a Congress that is expected to be more conservative than before.

For Bolsonaro, a win would mean a pardon fight, a constitutional push, and a much warmer relationship with Washington. For Lula, it would mean a historic comeback and a tougher road with lawmakers. Either way, this Brazil runoff will shape trade, security and democracy talk across the Americas for years.

Keep an eye on the margin. A gap of only a few hundred thousand votes would almost guarantee legal challenges, loud street reactions and nervous markets. Brazil's currency and stocks jumped after the first round on hopes of pro-business reforms, so any surprise tonight could send them swinging. For more global headlines, check out the world coverage and politics coverage.