Counterfactual
The Parallel Lives of Zoa and Diamond
In 18 girls, Zoa found its level. 50 years earlier, Diamond occupied that same statistical address.
1880–2025
Zoa
Peak year
2023
Peak births
29
Latest count
18
Status
Rising
Peak generation
Gen Alpha
1908–2025
Diamond
Peak year
1999
Peak births
2,160
Latest count
94
Status
Endangered
Peak generation
Gen Z
In 18 girls, Zoa found its level. 50 years earlier, Diamond 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.