Counterfactual
The Parallel Lives of Jazlyn and Tia
In 563 girls, Jazlyn found its level. 50 years earlier, Tia occupied that same statistical address.
1981–2025
Jazlyn
Peak year
2008
Peak births
860
Latest count
510
Status
Stable
Peak generation
Gen Z
1944–2025
Tia
Peak year
1982
Peak births
1,182
Latest count
98
Status
Endangered
Peak generation
Millennial
In 563 girls, Jazlyn found its level. 50 years earlier, Tia occupied that same address. One peaked in the Millennial era; the other in the Gen Z world. They never met. But the data remembers them both.