Less than two weeks before Brazil’s decisive presidential runoff on Oct. 25, President Luiz Inacio Lula da Silva has narrowed the gap with his right-wing challenger, Senator Flavio Bolsonaro, though the race remains deadlocked in a technical tie.
A survey by Datafolha released Thursday shows Lula trimming his opponent’s lead from four points to two, with Flavio Bolsonaro capturing 51% of valid votes compared with Lula’s 49%. The findings mirror a polling trend published a day earlier by Quaest, which placed the contest at 47% to 45% in favor of the conservative senator.
Faced with a razor-thin margin, the 80-year-old leftist president has mobilized his base on the streets while adopting hard-line proposals on public security. During a national television interview on Globo, Lula announced his support for lowering the age of criminal responsibility from 18 to 16 for violent offenses, including murder, robbery resulting in death and rape. Flavio Bolsonaro, the eldest son of former President Jair Bolsonaro, who remains imprisoned following his conviction for attempting a military coup, has championed an even broader reduction to age 16 for general offenses and age 14 for severe crimes.
Lula also took personal responsibility for his administration’s standing. “I am the government,” Lula conceded in his televised appearance. “If I failed to make people understand the work I carried out, I cannot blame anyone else; the fault is mine.”
Digital battlegrounds and algorithmic bias allegations
As both campaigns scramble for every available vote, the digital sphere has erupted into a bitter dispute over social media neutrality. Lula’s campaign, joined by digital watchdog groups such as Ekō and CTRL + Z, filed a 30-page formal complaint with the Superior Electoral Court (TSE), accusing American tech giant Meta of practicing systematic “algorithmic selectivity” that favors the Bolsonaro campaign across Instagram, Facebook and WhatsApp.
The controversy intensified after public outcry over Meta’s embedded artificial intelligence assistant on WhatsApp. When users asked the AI agent to generate election posters supporting Lula, the tool repeatedly refused, stating that it could not create the image. Conversely, identical prompts requesting campaign material for Flavio Bolsonaro generated polished posters within seconds.
Lula’s campaign team detailed several other technical anomalies, including the temporary suspension of the president’s paid advertising accounts on Facebook, shadow-banning of progressive influencers, suppressed view counts and restricted reach on posts praising the administration. The campaign highlighted that, despite having 17% fewer followers than Lula, Flavio Bolsonaro generates nearly triple the online interactions.
Meta firmly denied accusations of political bias, asserting that its platforms do not operate to harm or favor any candidate. The company attributed recent incidents to routine technical glitches, anti-fraud filters and a temporary worldwide glitch that briefly affected view metrics across the political spectrum.
The dispute prompted TSE Chief Justice Kassio Nunes Marques and Vice President Andre Mendonça to convene an emergency meeting in Brasilia with Meta executives. The electoral court ordered Meta to ensure strict neutrality between the Workers’ Party (PT) and the Liberal Party (PL), threatening heavy fines for noncompliance and demanding robust measures to stop foreign-funded electoral propaganda.
The judicial friction comes at a delicate moment for Brazil’s legal apparatus. Justice Alexandre de Moraes, who previously led aggressive crackdowns on online disinformation and briefly banned Elon Musk’s platform X, is currently embroiled in a scandal involving alleged ties to a disgraced banker at the center of a major corruption scheme. With Moraes sidelined, the electoral court faces renewed pressure from both sides of the aisle.
High-stakes demographics and cultural endorsements
The latest Datafolha survey underscores a stark demographic and regional divide across South America’s largest democracy. Flavio Bolsonaro holds a commanding 10-point lead over Lula in the populous Southeast region, home to 40% of the electorate, while maintaining a 33-point advantage among evangelical voters, a 15-point lead among the middle class and a 12-point margin among male voters.
Lula maintains a formidable 29-point stronghold in his native Northeast, alongside a 20-point advantage among voters with lower education levels, a 15-point lead among the poorest citizens, a 10-point lead among Catholics and a nine-point lead among women.
To counter Bolsonaro’s digital dominance, left-wing content creators have resorted to unconventional tactics to bypass perceived algorithmic suppression. Influencers have begun filming videos wearing Brazil’s iconic yellow football jersey — an emblem long co-opted by the right — and using pro-Bolsonaro hashtags to trick platform algorithms into boosting their reach. One satirical video by 23-year-old creator Luis Felipe Rissati Faria, which paired a pro-Bolsonaro caption with a sharply anti-Bolsonaro jingle, amassed more than 14 million views.
The president’s re-election bid has also drawn high-profile international cultural backing. American rock band The Strokes publicly endorsed Lula by sharing a historical photo of the young labor leader on social media, overlaid with a red star and his name. Set to the “Moretti Remix” of their track Oblivius, remixed by the band’s Rio de Janeiro-born drummer Fabrizio Moretti, the post directly referenced the song’s central line, “What side you standing on?” Lula personally acknowledged the endorsement on Instagram, writing: “Comrades from The Strokes, the Brazilian people know which side we are on. We are on the side of democracy, the worker, and hope.”
With the electorate deadlocked, both candidates are pressing ahead with an exhaustive schedule of street rallies before facing off in their first televised head-to-head debate, hosted live by the Band network this Sunday.