Brazil's campaign season officially opens on August 16, and the presidential race is arguably as close as any in the country's democratic history — with a foreign leader who isn't on the ballot shaping the outcome almost as much as either candidate is. President Luiz Inácio Lula da Silva, chasing a fourth term, and Senator Flávio Bolsonaro, carrying his imprisoned father's political movement into the October 4 vote, sit anywhere from a single point to nearly nine points apart depending on which pollster you ask. Much of that spread traces back to two years of American tariffs, sanctions, and public pressure that President Donald Trump built around the Bolsonaro family's legal troubles — a campaign that recent polling suggests may be helping the very candidate it was designed to sink.
It started with one man's coup trial
The chain of events begins with former President Jair Bolsonaro's criminal trial over his refusal to accept the 2022 election he lost to Lula. On July 9, 2025, Trump posted a letter to Truth Social threatening Brazil with a 50% tariff, calling the prosecution of his ally a "Witch Hunt" and demanding it end immediately — notably, without the trade-deficit language he used in nearly every other country's tariff letter that week. That omission wasn't an oversight: the U.S. has actually run a trade surplus with Brazil for more than a decade, so there was no deficit to point to. Three weeks later, on July 30, 2025, the Treasury Department sanctioned Alexandre de Moraes, the Supreme Court justice overseeing the Bolsonaro case, freezing his U.S. assets under the Global Magnitsky Act. Those sanctions were quietly reversed that December, even as Eduardo Bolsonaro — Flávio's brother, who moved to the U.S. to lobby on the family's behalf — now awaits trial on an obstruction charge of his own in Brasília. Jair Bolsonaro was convicted that September, began serving his 27-year sentence in late November, and is barred by Brazil's top electoral court from running again until 2030.
The same pattern repeated as Brazil's election calendar accelerated. A new 25% tariff covering roughly 18% of Brazil's exports to the U.S. — about $7 billion — took effect July 22, 2026, following a Section 301 investigation into digital trade rules, deforestation, and other practices Washington deemed unfair. Flávio Bolsonaro personally lobbied U.S. trade officials for a 180-day delay, telling the USTR in a public filing that moving ahead with new tariffs would hand the current Brazilian government "precisely the political victory it has been engineering." Washington imposed the tariff on schedule anyway.
Five pollsters, five different numbers — but a real story underneath
No single poll tells the whole story, and this week's numbers actually pull in different directions depending which pollster you check. The newest reading, a Nexus/BTG Pactual survey released August 10, has Lula ahead 47% to 44% — a slightly wider gap than the same poll showed a week earlier. A Genial/Quaest poll from August 5 puts it at 44%-39%, narrower than the 8-point lead Quaest measured in mid-July. CNT/MDA's August 11 release shows Lula with a double-digit first-round edge but a single-digit runoff cushion of 8.9 points, down from 12.5 points in June. Meanwhile AtlasIntel had Lula up six points in late July, and a smaller, less-established pollster called Gerp found a technical tie with Bolsonaro numerically ahead in the runoff — a result that's barely moved in three weeks. Taken together, Lula's advantage has clearly narrowed since earlier in the year, but the very latest week-to-week movement is genuinely mixed rather than a clean, one-direction slide.
Voters are pointing fingers — and not at Lula
The tariff fight looks like it's costing Bolsonaro more than it's costing the president. An August 5 Quaest poll found 46% of respondents said Lula does a better job defending Brazil's interests against Washington, compared with 38% for Bolsonaro — a gap that's actually narrowed from July, when it was 51%-34%, suggesting some erosion for Lula on this specific question even as he still leads it. On the sharper question of blame, a mid-July Quaest reading found 51% of Brazilians believed Flávio had encouraged the tariff pressure against his own government, up from 47% a month earlier, against just 30% who accepted his version of events.
The pressure campaign hasn't purely hurt Bolsonaro. An earlier U.S. decision to designate two major Brazilian criminal organizations as terrorist groups played directly to his strength on crime and public safety, an issue where Brazil's right consistently outpolls the left. Political analysts tracking the race describe the tariff fight and the security move as largely canceling each other out, leaving Trump's net effect on the election murkier than the tariff headlines alone would suggest.
Why Florida's Brazilian community is watching closely
The outcome matters directly to the Brazilian diaspora in Florida, which holds the largest state-level share — about 23% — of the nation's roughly 725,000 Brazilian immigrants, more than any other state, with Broward, Miami-Dade, and Palm Beach among the top U.S. counties for Brazilian residents. Voting is compulsory for literate Brazilian citizens between 18 and 70, including those living abroad, who must cast their ballots in person at an authorized consulate — including Brazil's consulate general in Miami — since Brazil has no mail-in option. For a community caught between one government taxing their home country's exports and another deciding who leads it, this election is anything but background noise.
Party candidate registrations closed August 15, and official campaigning runs from August 16 through the October 4 first round — seven weeks of paid advertising, rallies, and free broadcast time. If neither Lula nor Bolsonaro clears 50% of the valid vote, the two would meet again in a runoff on October 25, an outcome every pollster above still treats as the likeliest scenario.