Counterfactual
The Parallel Lives of Lydia and Mandy
In 2,692 girls, Lydia found its level. 50 years earlier, Mandy occupied that same statistical address.
1880–2025
Lydia
Peak year
2014
Peak births
3,652
Latest count
2,692
Status
Stable
Peak generation
Gen Alpha
1880–2025
Mandy
Peak year
1978
Peak births
3,110
Latest count
31
Status
Endangered
Peak generation
Gen X
In 2,692 girls, Lydia found its level. 50 years earlier, Mandy occupied that same address. One peaked in the Gen X era; the other in the Gen Alpha world. They never met. But the data remembers them both.