Counterfactual
The Parallel Lives of Zena and Sophie
In 73 girls, Zena found its level. 50 years earlier, Sophie occupied that same statistical address.
1880–2025
Zena
Peak year
1964
Peak births
222
Latest count
73
Status
Stable
Peak generation
Boomer
1880–2025
Sophie
Peak year
2011
Peak births
4,732
Latest count
3,984
Status
Stable
Peak generation
Gen Z
In 73 girls, Zena found its level. 50 years earlier, Sophie occupied that same address. One peaked in the Gen Z era; the other in the Boomer world. They never met. But the data remembers them both.