A supercentenarian is a person who has reached the age of 110 years or older. This rare demographic is often studied by researchers interested in longevity and the factors that contribute to a long life. Supercentenarians are typically recognized for their unique life experiences and the health conditions that allow them to live well beyond the average lifespan. The term is often associated with the Guinness World Records, which verifies and recognizes supercentenarians. Many supercentenarians have lived through significant historical events, providing valuable insights into the past. Their longevity raises questions about genetics, lifestyle, and healthcare, making them a subject of fascination in gerontology.