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Who is the oldest person alive right now in 2025?

As of September 2025, the world's oldest validated living person is Ethel Caterham from the United Kingdom, who celebrated her 116th birthday on August 21, 2025, according to Guinness World Records. In this deep dive, we explore her life and the broader aspects of supercentenarian longevity, answering the key question: Who is the oldest person alive right now in 2025?