Counterfactual
The Parallel Lives of Zeinab and Ollie
In 26 girls, Zeinab found its level. 50 years earlier, Ollie occupied that same statistical address.
1982–2025
Zeinab
Peak year
1999
Peak births
55
Latest count
26
Status
Stable
Peak generation
Gen Z
1880–2025
Ollie
Peak year
1919
Peak births
976
Latest count
80
Status
Endangered
Peak generation
Greatest Generation
In 26 girls, Zeinab found its level. 50 years earlier, Ollie 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.