Counterfactual

The Parallel Lives of Gonzalo and Sebastian

In 127 boys, Gonzalo found its level. 50 years earlier, Sebastian occupied that same statistical address.

1902–2025

Gonzalo

peak 2000 2025 1900192019401960198020002020
Peak year 2000
Peak births 254
Latest count 127
Status Stable
Peak generation Gen Z
1881–2025

Sebastian

peak 2016 2025 1900192019401960198020002020
Peak year 2016
Peak births 10,309
Latest count 8,605
Status Stable
Peak generation Gen Alpha
Gonzalo and Sebastian 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.