Brazilian President Luiz Inácio Lula da Silva has secured a historic fourth term in office after winning the national runoff election against Senator Flávio Bolsonaro. The final vote count showed Lula receiving over 64 million votes to Bolsonaro’s nearly 60 million, representing a margin of about 4%. Lula is scheduled to be sworn in for his new term on January 5, 2027.

Lula’s comeback follows a vigorous campaign that mobilized more than 10 million additional voters between the first and second rounds of voting. The first round, held on October 4, had seen Bolsonaro as the front-runner with a plurality of votes, but Lula’s campaign intensified digital outreach efforts, notably through a social media operation led by lawmaker André Janones, which was credited with turning out previously uncommitted voters. An unusually high voter turnout in the runoff helped secure Lula’s victory.

Despite Lula’s declared win, Flávio Bolsonaro has refused to accept the results and has expressed intentions to challenge the election outcome. His primary argument centers on the Supreme Court’s decision to extend voting hours by two hours at some polling stations due to weather and transportation delays. While Bolsonaro and his supporters claim this may have affected the results, analysts and election officials note that the late votes—fewer than 35,000—were minimal and that Bolsonaro’s own party had requested the extension. Bolsonaro has vowed to press the electoral court to annul the election, a process requiring substantial proof of fraud, which so far has not been presented.

The political tensions are underscored by Bolsonaro’s calls to organize opposition within Brazil’s congress, where his Liberal Party holds the largest number of seats following recent legislative elections. This could present a formidable challenge to Lula’s governance, as legislative approval is essential for major policy initiatives.

The election results drew mixed reactions regionally and internationally. Many Brazilian institutions and leaders from both sides of the political spectrum have signaled recognition of Lula’s victory. However, former U.S. President Donald Trump criticized the election, suggesting without evidence that it was “rigged,” echoing a familiar rhetoric from Bolsonaro’s camp. Bolsonaro family dynamics also contribute to the tense atmosphere, with Flávio Bolsonaro visiting his father, former President Jair Bolsonaro, who is serving a 27-year prison sentence related to a coup attempt and remains a polarizing figure in Brazilian politics.

Market reactions to Lula’s win were negative, with Brazil’s stock market declining sharply amid concerns over potential policy shifts under his administration. Still, Lula’s supporters celebrated the result as a defense of Brazilian democracy and a repudiation of right-wing politics prevalent in the region.

As Lula prepares to begin his new term, analysts point to significant challenges ahead, including managing a politically divided congress and addressing ongoing investigations involving members of the Bolsonaro family. The coming months will be critical in determining how Lula navigates Brazil’s complex political landscape and fulfills his campaign promises.