Counterfactual
The Parallel Lives of Jonna and Riley
In 11 girls, Jonna found its level. 50 years earlier, Riley occupied that same statistical address.
1928–2025
Jonna
Peak year
1963
Peak births
261
Latest count
11
Status
Endangered
Peak generation
Boomer
1923–2025
Riley
Peak year
2016
Peak births
7,159
Latest count
4,441
Status
Declining
Peak generation
Gen Alpha
In 11 girls, Jonna found its level. 50 years earlier, Riley occupied that same address. One peaked in the Gen Alpha era; the other in the Boomer world. They never met. But the data remembers them both.