- Umeno Sumiyama, Koume Kodama
- 107:000 year(s):day(s)
- Japan (Oita)
The oldest identical twins ever (female) are Umeno Sumiyama and Koume Kodama (Japan, b. 5 November 1913), aged 107 years and 300 days, as verified in Oita, Japan, on 1 September 2021.
The twins were born in Kagawa, Japan and are the oldest ever authenticated female twins.