Counterfactual
The Parallel Lives of Leonidas and Jackie
In 591 boys, Leonidas found its level. 50 years earlier, Jackie occupied that same statistical address.
1880–2025
Leonidas
Peak year
2022
Peak births
760
Latest count
591
Status
Stable
Peak generation
Gen Alpha
1904–2025
Jackie
Peak year
1951
Peak births
2,053
Latest count
62
Status
Endangered
Peak generation
Boomer
In 591 boys, Leonidas found its level. 50 years earlier, Jackie occupied that same address. One peaked in the Boomer era; the other in the Gen Alpha world. They never met. But the data remembers them both.