5.4 million Filipinos could face coastal flooding annually by 2100-ADB
A new report from the Asian Development Bank warns that over 5.4 million Filipinos could face annual coastal flooding by 2100 due to rising sea levels. Manila is identified as one of the global megacities most vulnerable to these climate-related risks.
Why it matters
The findings underscore the urgent need for climate adaptation and infrastructure investment in densely populated coastal regions of the Philippines.
Manila Bulletin - 5.4 million Filipinos could face coastal flooding annually by 2100—ADB
5.4 million Filipinos could face coastal flooding annually by 2100—ADB
About 21 of the municipality’s 24 barangays remain submerged as flooding continues to affect Calasiao while entire Pangasinan has been placed under a state of calamity.Photos taken town proper Calasiao.(Liezle Basa Inigo)
More than 5.4 million Filipinos could be affected by coastal flooding every year by the end of the century as rising sea levels put densely populated and economically productive areas at greater risk, according to the Asian Development Bank (ADB).
In its Asia-Pacific Climate Report 2026 titled “Coastal Risks on the Rise: Actions for a Resilient Future” and published on Wednesday, Oct. 21, the Manila-based multilateral lender projected that 5.437 million people in the Philippines could be exposed annually to coastal flooding by 2100 under a high-emissions scenario.
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