Counterfactual
The Parallel Lives of Hanako and Caitlyn
In 10 girls, Hanako found its level. 50 years earlier, Caitlyn occupied that same statistical address.
1915–2025
Hanako
Peak year
1921
Peak births
19
Latest count
10
Status
Rising
Peak generation
Greatest Generation
1968–2025
Caitlyn
Peak year
1998
Peak births
2,937
Latest count
71
Status
Endangered
Peak generation
Gen Z
In 10 girls, Hanako found its level. 50 years earlier, Caitlyn occupied that same address. One peaked in the Gen Z era; the other in the Greatest Generation world. They never met. But the data remembers them both.