President Luiz Inácio Lula da Silva (PT) leads Senator Flávio Bolsonaro (PL) in both first-round and simulated second-round presidential race scenarios [1].

The data arrives as Brazil moves closer to the 2026 national elections. The results suggest a continuing polarization between the current administration and the opposition led by the Bolsonaro family.

According to a poll released Monday by BTG/Nexus, Lula holds a 42% voting intention in the first-round scenario [1]. Flávio Bolsonaro follows with 33% [1]. This puts the current president at a nine percentage point advantage over his primary challenger in the initial stage of the election [3].

The survey also simulated a second-round runoff between the two candidates. In this scenario, Lula maintains his lead, though the gap narrows to six percentage points [4].

These figures indicate that while Lula remains the frontrunner, the race remains competitive. The poll was released on June 15, 2026, providing a snapshot of voter sentiment approximately four months before the election [4].

Political analysts said that Lula's lead is consistent across various simulated matchups against other potential adversaries. However, the focus remains on the rivalry with Flávio Bolsonaro, who represents the core of the PL party's current strategy to reclaim the presidency [5].

The BTG/Nexus data highlights the current distribution of support among the electorate as the campaign enters its final phase. Both candidates are expected to intensify their efforts to capture undecided voters in the coming weeks [2].

Lula holds a 42% voting intention in the first-round scenario

The poll indicates that President Lula has successfully maintained a baseline of support that exceeds his main opponent's reach. However, the narrowing gap in the simulated second round suggests that Flávio Bolsonaro's base is resilient and capable of consolidating a significant portion of the conservative vote, meaning the election will likely be decided by a narrow margin of undecided voters.