Counterfactual
The Parallel Lives of Jianna and Jan
In 262 girls, Jianna found its level. 50 years earlier, Jan occupied that same statistical address.
1986–2025
Jianna
Peak year
2021
Peak births
371
Latest count
262
Status
Rising
Peak generation
Gen Alpha
1911–2025
Jan
Peak year
1956
Peak births
3,201
Latest count
5
Status
Endangered
Peak generation
Boomer
In 262 girls, Jianna found its level. 50 years earlier, Jan 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.