Counterfactual
The Parallel Lives of Hallie and Erika
In 2,260 girls, Hallie found its level. 50 years earlier, Erika occupied that same statistical address.
1880–2025
Hallie
Peak year
2025
Peak births
2,260
Latest count
2,260
Status
Rising
Peak generation
Gen Alpha
1908–2025
Erika
Peak year
1990
Peak births
4,569
Latest count
213
Status
Endangered
Peak generation
Millennial
In 2,260 girls, Hallie found its level. 50 years earlier, Erika 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.