Counterfactual
The Parallel Lives of Nia and Lea
In 403 girls, Nia found its level. 50 years earlier, Lea occupied that same statistical address.
1951–2025
Nia
Peak year
2000
Peak births
1,033
Latest count
403
Status
Declining
Peak generation
Gen Z
1880–2025
Lea
Peak year
1970
Peak births
593
Latest count
321
Status
Stable
Peak generation
Gen X
In 403 girls, Nia found its level. 50 years earlier, Lea occupied that same address. One peaked in the Gen X era; the other in the Gen Z world. They never met. But the data remembers them both.