Counterfactual
The Parallel Lives of Ziya and Gillian
In 100 girls, Ziya found its level. 50 years earlier, Gillian occupied that same statistical address.
1999–2025
Ziya
Peak year
2022
Peak births
147
Latest count
100
Status
Stable
Peak generation
Gen Alpha
1922–2025
Gillian
Peak year
1999
Peak births
1,022
Latest count
47
Status
Endangered
Peak generation
Gen Z
In 100 girls, Ziya found its level. 50 years earlier, Gillian 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.