Oldest person dies aged 115 Dina Manfredini, the world's oldest person, has died at the age of 115. Manfredini was crowned the oldest human alive 13 days ago. She was born in Pievepelago in Italy, and died in a retirement home in Johnston, Iowa in the United States. The oldest person alive is now a Japanese man, Jiroemon Kimura, who is also 115 years young. More about: Elderly people, USA