The oldest living person in the world as of May 2025 is Ethel Caterham from the United Kingdom. She is 115 years old, born on August 21, 1909, and became the oldest living person following the death of Sister Inah Canabarro Lucas, a Brazilian nun who was 116 years old and passed away on April 30, 2025

. Sister Inah Canabarro Lucas held the title of the world's oldest living person briefly before her death in 2025. She was born on June 8, 1908, in Brazil and died just over a month before her 117th birthday

. The oldest living man is João Marinho Neto of Brazil, born on October 5, 1912, and aged 112 years as of May 2025

. Thus, Ethel Caterham is currently recognized as the oldest living person worldwide, while Sister Inah Canabarro Lucas was the oldest until her recent passing