Counterfactual
The Parallel Lives of Marek and Lukas
In 50 boys, Marek found its level. 50 years earlier, Lukas occupied that same statistical address.
1956–2025
Marek
Peak year
2010
Peak births
145
Latest count
50
Status
Declining
Peak generation
Gen Z
1963–2025
Lukas
Peak year
2019
Peak births
1,787
Latest count
1,161
Status
Stable
Peak generation
Gen Alpha
Marek and Lukas 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.