Counterfactual
The Parallel Lives of Jacobi and Dario
In 60 boys, Jacobi found its level. 50 years earlier, Dario occupied that same statistical address.
1973–2025
Jacobi
Peak year
2008
Peak births
189
Latest count
60
Status
Declining
Peak generation
Gen Z
1909–2025
Dario
Peak year
2024
Peak births
439
Latest count
339
Status
Rising
Peak generation
Gen Alpha
Jacobi and Dario peaked in the same cultural weather — the Gen Z naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.