Counterfactual
The Parallel Lives of Zyla and Delia
In 271 girls, Zyla found its level. 50 years earlier, Delia occupied that same statistical address.
2000–2025
Zyla
Peak year
2024
Peak births
295
Latest count
271
Status
Rising
Peak generation
Gen Alpha
1880–2025
Delia
Peak year
1957
Peak births
490
Latest count
135
Status
Stable
Peak generation
Boomer
In 271 girls, Zyla found its level. 50 years earlier, Delia occupied that same address. One peaked in the Boomer era; the other in the Gen Alpha world. They never met. But the data remembers them both.