Counterfactual
The Parallel Lives of Lida and Riley
In 11 girls, Lida found its level. 50 years earlier, Riley occupied that same statistical address.
1880–2025
Lida
Peak year
1918
Peak births
125
Latest count
11
Status
Stable
Peak generation
Greatest Generation
1923–2025
Riley
Peak year
2016
Peak births
7,159
Latest count
4,441
Status
Declining
Peak generation
Gen Alpha
In 11 girls, Lida found its level. 50 years earlier, Riley occupied that same address. One peaked in the Gen Alpha era; the other in the Greatest Generation world. They never met. But the data remembers them both.