Counterfactual
The Parallel Lives of Zera and Olive
In 15 girls, Zera found its level. 50 years earlier, Olive occupied that same statistical address.
1890–2025
Zera
Peak year
1921
Peak births
23
Latest count
15
Status
Stable
Peak generation
Greatest Generation
1880–2025
Olive
Peak year
2022
Peak births
1,836
Latest count
1,597
Status
Rising
Peak generation
Gen Alpha
In 15 girls, Zera found its level. 50 years earlier, Olive occupied that same address. One peaked in the Gen Alpha era; the other in the Greatest Generation world. They never met. But the data remembers them both.