Counterfactual
The Parallel Lives of Sonia and Kori
In 171 girls, Sonia found its level. 50 years earlier, Kori occupied that same statistical address.
1895–2025
Sonia
Peak year
1970
Peak births
1,767
Latest count
171
Status
Endangered
Peak generation
Gen X
1953–2025
Kori
Peak year
2016
Peak births
475
Latest count
260
Status
Stable
Peak generation
Gen Alpha
In 171 girls, Sonia found its level. 50 years earlier, Kori occupied that same address. One peaked in the Gen Alpha era; the other in the Gen X world. They never met. But the data remembers them both.