|Birth:||1 July 1910|
|Age:||110 years, 347 days|
Miyao Mashima was born in Japan in July 1910. Following the death of Shizu Sato on 29 August 2020, she became the oldest living person in Nagano Prefecture, Japan.
Mashima currently lives in Ueda, Nagano Prefecture, Japan, at the age of 110 years, 347 days.
- Confirmation (dead link)