OCTA survey shows majority of Filipinos won't vote along tribal lines Last updated: May 13, 2026 | 20:37 OCTA Research Manila: A "hypothetical" 2028 presidential race is already reshaping the political conversation two years ahead of the campaign season. An OCTA Research "Tugon ng Masa" ("People's Response") survey conducted March 19–25 shows a potential tandem of Leni Robredo and Raffy Tulfo drawing 44% voter preference — edging out the 40% received by a pairing of Sara Duterte and Imee Marcos . Another 16% of respondents said they were undecided. Survey method The survey asked: “If the May 2028 elections were to be held today and the following are the tandems for president and vice president, which tandem would you vote for?” It used face-to-face interviews with 1,200 probability-based respondents aged 18 and above and carries a ±3% margin of error at a 95% confidence level. OCTA cautioned that the 4-point lead should be interpreted carefully given the margin of error.…