Counterfactual
The Parallel Lives of Efren and Otto
In 65 boys, Efren found its level. 50 years earlier, Otto occupied that same statistical address.
1915–2025
Efren
Peak year
2007
Peak births
201
Latest count
65
Status
Declining
Peak generation
Gen Z
1880–2025
Otto
Peak year
2024
Peak births
1,244
Latest count
1,241
Status
Rising
Peak generation
Gen Alpha
Efren and Otto 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.