Brazil's veteran left-wing president, Luiz Inácio Lula da Silva, has been re-elected for a fourth term after a fiercely contested campaign, narrowly defeating his right-wing rival, Flávio Bolsonaro. The Superior Electoral Court announced that with all votes counted, Lula secured 51.79% of the vote compared to Bolsonaro's 48.21%.

Bolsonaro has not conceded the election and has cited the two-hour extension of polling times as inexplicable, despite his campaign team, along with Lula's, having requested polling stations remain open longer. He has indicated he will seek the annulment of the election, though this has not dampened the celebrations from Lula and his supporters, who describe the victory as historic and a significant turnaround.

This marks Lula's fourth presidential win, having previously served two terms from 2003 to 2010 and another from 2023. His path to victory in Sunday's run-off was particularly challenging, as Bolsonaro had initially led in the first round of voting on October 4. Many had not anticipated Lula's ability to reverse the outcome in just three weeks.

Lula's comeback defied a broader regional trend in Latin America, where voters have recently favored right-wing leaders and punished incumbents. Major countries in the region, including Argentina, Chile, and Colombia, currently have conservative governments.

Lula's campaign gained momentum following his first-round defeat, driven by widespread street demonstrations and a robust social media campaign. The former metalworker, a dominant figure in Brazil's left-wing politics since his first presidential run in 1989, now faces one of the most challenging political environments since he first took office in 2003.

His upcoming term, set to begin on January 5, 2027, will commence amidst significant domestic and international constraints. Concerns have been raised regarding potential animosity from the administration of U.S. President Donald Trump. While Trump did not explicitly endorse Flávio Bolsonaro, his administration has shown a preference for conservative leaders in Latin America, viewing the region as an area of U.S. influence and seeking to promote policies aligned with Washington's interests.

Brazil, a nation rich in oil and holding the world's second-largest reserves of rare earth minerals, is the only major South American country not currently led by a right-wing figure. Lula is widely perceived as being friendly towards China, while Flávio Bolsonaro had pledged to align Brazil more closely with the United States. Lula had previously cautioned the U.S. against interfering in the election, emphasizing Brazil's independent stance.

Despite potential disappointment in Washington, Lula's victory is seen as a significant moment for Brazil's political landscape. The country now navigates a period of political division and the challenges of governing with a potentially uncooperative Congress.