Peru's electoral court certified Keiko Fujimori as the winner of the June 7 runoff on July 3, 2026, ending nearly four weeks of vote tallying and dispute that kept the result in suspension. She takes office with 50.135% of the vote against Roberto Sánchez's 49.865% — a gap of fewer than 50,000 ballots across the full national count, according to BBC News.

It was her fourth presidential campaign. Fujimori ran and lost in 2011, 2016, and 2021, that last defeat to Pedro Castillo coming by a similarly narrow margin and producing months of challenges before Castillo was ultimately confirmed. The pattern of protracted post-runoff disputes has become a feature of Peruvian electoral cycles, not an exception.

The Jurado Nacional de Elecciones (JNE) — Peru's highest electoral tribunal — issued the formal proclamation, the step required under Peruvian law to make a result official and binding. Fujimori held a news conference shortly after, CNN reports. Her swearing-in is scheduled for July 28, Peru's independence day, the traditional date for presidential inaugurations. She will become the country's ninth president in roughly a decade, a figure that encapsulates the institutional turbulence — impeachments, resignations, a presidential death in custody, a self-coup attempt — that has cycled through Lima since 2016.

Sánchez's party moved quickly after the proclamation, filing an appeal with the JNE and calling for the entire runoff result to be annulled on grounds that the vote had been "seriously compromised." The party has not yet specified in public filings whether it is alleging procedural irregularities, fraud, or both. Under Peruvian electoral law, a nullification challenge of this scale faces a high evidentiary bar; the JNE itself certified the result it would now be asked to overturn. The appeal is unlikely to delay the July 28 inauguration unless the tribunal reverses course with unusual speed, but it will hang over the opening weeks of Fujimori's government as a legitimacy question her opponents will continue to press.

Keiko Fujimori is the eldest daughter of Alberto Fujimori, who governed Peru from 1990 to 2000 and was subsequently convicted of crimes against humanity for killings and forced sterilizations carried out under his administration. He died in September 2024. Keiko has long sought to reframe that inheritance — acknowledging "excesses" while arguing that her father's economic stabilization and counterinsurgency record were genuine achievements. The distinction has never fully neutralized the issue for a large segment of the electorate, as the narrow margin confirms.

Her party, Fuerza Popular, sits on the right of the Peruvian spectrum, with a platform centered on security, private investment, and rolling back some of the regulatory expansions of recent left-leaning governments. The Trump administration welcomed her victory, Fox News reported, consistent with its broader posture toward right-leaning electoral outcomes in the hemisphere.

That broader regional picture is relevant context. Colombia's Abelardo de la Espriella won his presidential election around the same period, BBC News notes, adding a second significant rightward shift in South America within weeks. The direction of travel in the region's electoral cycle has turned, at least for now, away from the left-of-center governments that dominated the early 2020s.

For Peru specifically, the immediate questions are managerial as much as ideological. Fujimori will inherit a Congress that is fragmented across multiple parties, none commanding a majority — the same structural condition that contributed to the removal or collapse of her predecessors. Sustaining a governing coalition long enough to pass a budget, let alone structural reform, has defeated every administration since Martín Vizcarra. Whether her fourth campaign has produced the political capital to break that pattern, or whether the narrow margin and the pending nullification appeal will constrain her from day one, is the central question her first hundred days will begin to answer.