The gap had collapsed from fifteen points to just five in two weeks
A month before Peru's June 6 presidential runoff, the contest between Pedro Castillo and Keiko Fujimori has compressed from a wide gulf into a narrow passage. A Datum poll conducted in the days following the Chota debate places Castillo at 41 percent and Fujimori at 36—a five-point margin where once there were fifteen. In a country where nearly a quarter of voters remain uncommitted or resistant to both candidates, the election's final chapter has yet to be written, and the direction Peru chooses will carry meaning well beyond its borders.
- Lo que parecía una ventaja cómoda para Castillo se ha reducido a la mitad en apenas dos semanas, transformando una carrera aparentemente definida en una contienda abierta.
- El debate en Chota actuó como catalizador: la encuesta de Datum, levantada justo después del enfrentamiento, capturó un electorado en pleno movimiento.
- Un 12% aún no sabe por quién votar y un 11% planea anular su voto, dejando casi una cuarta parte del electorado como territorio sin conquistar por ninguno de los dos candidatos.
- La polarización es profunda: Castillo arraiga en el Perú rural y empobrecido, Fujimori en las urbes y entre quienes temen un giro a la izquierda, y ninguno ha logrado tender puentes hacia el otro lado.
- El resultado final dependerá de cómo se resuelvan esas voluntades suspendidas durante las semanas de campaña que quedan, convirtiendo cada mitin y cada declaración en una apuesta de alto riesgo.
Un mes antes de la segunda vuelta presidencial del 6 de junio, la carrera entre Pedro Castillo y Keiko Fujimori ha dado un vuelco notable. Una encuesta de Datum publicada a comienzos de mayo sitúa a Castillo con el 41% de intención de voto frente al 36% de Fujimori. La cifra importa no solo por lo que dice, sino por lo que revela al compararse con la medición anterior del mismo instituto: hace apenas dos semanas, la brecha era de quince puntos. Ahora es de cinco.
La encuesta fue levantada el 5 y 6 de mayo, horas después del debate celebrado en la norteña ciudad de Chota, un momento en que las percepciones suelen estar más vivas y maleables. Los datos, difundidos por Perú21, describen una contienda que ha pasado de parecer resuelta a estar genuinamente abierta.
Lo que complica aún más el panorama es la magnitud de la incertidumbre dentro del propio electorado. Un 12% de los consultados no ha decidido su voto, y un 11% adelanta que sufragará en blanco o anulará su papeleta —una forma de protesta en un país donde votar es obligatorio—. Juntos, estos grupos representan casi una cuarta parte del universo electoral, suficiente para inclinar la balanza en cualquier dirección.
Detrás de los números late la fractura estructural del país. Castillo, maestro rural y dirigente sindical andino, cosechó en la primera vuelta el respaldo de los sectores más pobres y alejados de Lima. Fujimori, hija del expresidente encarcelado Alberto Fujimori, mantiene su base en las ciudades y entre quienes recelan de un viraje hacia la izquierda. Con observadores internacionales y gobiernos de la región atentos al desenlace, las semanas que restan de campaña decidirán si el impulso de Castillo es suficiente para sostener su ventaja o si Fujimori logra cerrar la distancia que aún la separa.
One month before Peru's presidential runoff, the race between Pedro Castillo and Keiko Fujimori had tightened dramatically. A Datum poll released in early May showed Castillo holding 41 percent support to Fujimori's 36 percent—a margin of just five percentage points. Two weeks earlier, the same pollster had measured a fifteen-point gap. The shift suggested momentum was moving in Castillo's direction as the June 6 election approached.
The survey was conducted on May 5 and 6, immediately following a debate held in the northern city of Chota. The timing meant the poll captured voter sentiment in the immediate aftermath of the candidates' direct confrontation, a moment when public opinion often shifts. Datum's findings, published by the news outlet Perú21, painted a picture of a race that had become far more competitive than it appeared just fourteen days before.
But the numbers also revealed significant uncertainty baked into the electorate. Nearly a quarter of voters remained either undecided or were planning to cast blank or spoiled ballots. Twelve percent said they still had not made up their minds about which candidate to support. Another eleven percent indicated they would intentionally submit invalid votes—a protest vote of sorts in a country where voting is mandatory. Together, these groups represented nearly a quarter of the potential electorate, meaning the final outcome could shift substantially depending on how these voters ultimately decided to act.
The narrowing gap reflected a broader pattern in Peru's polarized political landscape. Castillo, a rural schoolteacher and union organizer from the Andes, had emerged from the first round of voting in April with strong support among poorer and rural voters. Fujimori, daughter of imprisoned former president Alberto Fujimori, maintained backing among wealthier urban voters and those concerned about leftward political shifts. As the runoff approached, the contest had become one of Peru's most closely watched elections in years, with international observers and regional governments paying close attention to which direction the country would move.
With a month remaining before voters would cast their ballots, the race remained fluid. The five-point lead Castillo held in the Datum survey was substantial enough to suggest he remained the frontrunner, but it was narrow enough that any significant shift in voter sentiment—or any movement among the undecided and protest voters—could alter the outcome. The final weeks of campaigning would determine whether Castillo's momentum would carry him to victory or whether Fujimori could close the remaining gap.
The Hearth Conversation Another angle on the story
What does a five-point lead actually mean this close to an election, especially with so many undecided voters still in play?
It's real but fragile. Castillo's ahead, but a quarter of the electorate is either undecided or planning to spoil their ballot. That's enough movement to swing the race entirely if those voters break one way or another.
Why would people plan to vote blank or spoiled in a mandatory voting system?
It's a protest. They're rejecting both candidates—or rejecting the entire political establishment. In Peru, that's become a meaningful form of dissent.
The gap closed from fifteen points to five in just two weeks. What caused that shift?
The debate in Chota likely mattered, but it's also about who's actually turning out to vote. Castillo's base—rural, poorer, younger—was always there. As the race became real, they mobilized. Fujimori's voters were always going to show up.
So the undecided voters—are they more likely to break toward Castillo or Fujimori?
That's the question nobody could answer in May. They could go either way. That's what made the final month so volatile.