Counterfactual
The Parallel Lives of Ziva and Hazel
In 134 girls, Ziva found its level. 50 years earlier, Hazel occupied that same statistical address.
1960–2025
Ziva
Peak year
2011
Peak births
193
Latest count
134
Status
Stable
Peak generation
Gen Z
1880–2025
Hazel
Peak year
1918
Peak births
7,615
Latest count
6,318
Status
Rising
Peak generation
Greatest Generation
In 134 girls, Ziva found its level. 50 years earlier, Hazel occupied that same address. One peaked in the Greatest Generation era; the other in the Gen Z world. They never met. But the data remembers them both.