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Sata Mizukami

Yumi Yamamoto
Validated By: Yumi Yamamoto On Date: Sep. 22nd 2023

Sata Mizukami (Japanese: 水上さた) is a Japanese supercentenarian whose age has been validated by LongeviQuest. She is currently the oldest living person in Nagano Prefecture.


Sata Mizukami was born in Sakuho, Nagano Prefecture, Japan, on 26 March 1912, as the second daughter among six siblings. After graduating from elementary school, she developed a passion for sewing and honed her skills while assisting with household chores at her home. In her early twenties, she married a farmer, with whom she raised four children.

Her family said that she was a very hard worker. She cultivated rice in the paddies, tended to the vegetable fields, and applied her sewing expertise to prepare all the clothing and bedding for her household. In her 60s, she underwent surgery for uterine fibroids. Until her husband passed away at the age of 90, the couple occasionally traveled to hot springs. Up to the age of 103, sewing and tending to the garden remained her daily routines. Around that time, she was admitted to a nursing home after sustaining burns from a brazier. It was reported that she had a preference for fish over meat.

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In September 2023, she was reported as the oldest living person in Nagano Prefecture.

Her age was verified by Japan’s Ministry of Health, Labour, and Welfare (MHLW), as well as Yumi Yamamoto, Ryohei Asano, and Takao Mizukami, and validated by LongeviQuest on 22 September 2023.

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(All the information regarding Sata Mizukami’s biography was gathered through interviews conducted by LongeviQuest with her family.)

* Nagano Prefecture Press Release, 15 September 2023