Counterfactual
The Parallel Lives of Jo and Gianna
In 36 girls, Jo found its level. 50 years earlier, Gianna occupied that same statistical address.
1881–2025
Jo
Peak year
1954
Peak births
8,052
Latest count
36
Status
Endangered
Peak generation
Boomer
1951–2025
Gianna
Peak year
2020
Peak births
7,903
Latest count
5,634
Status
Rising
Peak generation
Gen Alpha
In 36 girls, Jo found its level. 50 years earlier, Gianna occupied that same address. One peaked in the Gen Alpha era; the other in the Boomer world. They never met. But the data remembers them both.