Counterfactual
The Parallel Lives of Keira and Leanne
In 469 girls, Keira found its level. 50 years earlier, Leanne occupied that same statistical address.
1962–2025
Keira
Peak year
2006
Peak births
3,022
Latest count
469
Status
Declining
Peak generation
Gen Z
1929–2025
Leanne
Peak year
1969
Peak births
801
Latest count
71
Status
Endangered
Peak generation
Gen X
In 469 girls, Keira found its level. 50 years earlier, Leanne occupied that same address. One peaked in the Gen X era; the other in the Gen Z world. They never met. But the data remembers them both.