Counterfactual
The Parallel Lives of Katalina and Tammie
In 720 girls, Katalina found its level. 50 years earlier, Tammie occupied that same statistical address.
1971–2025
Katalina
Peak year
2025
Peak births
720
Latest count
720
Status
Rising
Peak generation
Gen Alpha
1927–2025
Tammie
Peak year
1963
Peak births
2,246
Latest count
6
Status
Endangered
Peak generation
Boomer
In 720 girls, Katalina found its level. 50 years earlier, Tammie 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.