Counterfactual
The Parallel Lives of Jazlin and Mattie
In 107 girls, Jazlin found its level. 50 years earlier, Mattie occupied that same statistical address.
1989–2025
Jazlin
Peak year
2009
Peak births
79
Latest count
25
Status
Stable
Peak generation
Gen Z
1880–2025
Mattie
Peak year
1920
Peak births
2,902
Latest count
249
Status
Endangered
Peak generation
Greatest Generation
In 107 girls, Jazlin found its level. 50 years earlier, Mattie occupied that same address. One peaked in the Greatest Generation era; the other in the Gen Z world. They never met. But the data remembers them both.