Counterfactual
The Parallel Lives of Keyla and Brittany
In 331 girls, Keyla found its level. 50 years earlier, Brittany occupied that same statistical address.
1961–2025
Keyla
Peak year
2016
Peak births
428
Latest count
331
Status
Stable
Peak generation
Gen Alpha
1963–2025
Brittany
Peak year
1989
Peak births
37,792
Latest count
281
Status
Endangered
Peak generation
Millennial
In 331 girls, Keyla found its level. 50 years earlier, Brittany occupied that same address. One peaked in the Millennial era; the other in the Gen Alpha world. They never met. But the data remembers them both.