Counterfactual
The Parallel Lives of Kayori and Hanna
In 47 girls, Kayori found its level. 50 years earlier, Hanna occupied that same statistical address.
2006–2025
Kayori
Peak year
2023
Peak births
49
Latest count
47
Status
Rising
Peak generation
Gen Alpha
1880–2025
Hanna
Peak year
2000
Peak births
1,912
Latest count
580
Status
Stable
Peak generation
Gen Z
In 47 girls, Kayori found its level. 50 years earlier, Hanna occupied that same address. One peaked in the Gen Z era; the other in the Gen Alpha world. They never met. But the data remembers them both.