Counterfactual
The Parallel Lives of Jana and Rocio
In 181 girls, Jana found its level. 50 years earlier, Rocio occupied that same statistical address.
1921–2025
Jana
Peak year
1961
Peak births
1,456
Latest count
181
Status
Declining
Peak generation
Boomer
1952–2025
Rocio
Peak year
1992
Peak births
450
Latest count
46
Status
Stable
Peak generation
Millennial
In 181 girls, Jana found its level. 50 years earlier, Rocio occupied that same address. One peaked in the Millennial era; the other in the Boomer world. They never met. But the data remembers them both.