Counterfactual

The Parallel Lives of Lena and Nikki

In 1,106 girls, Lena found its level. 50 years earlier, Nikki occupied that same statistical address.

1880–2025

Lena

peak 1917 2025 18801900192019401960198020002020
Peak year 1917
Peak births 3,004
Latest count 1,106
Status Stable
Peak generation Greatest Generation
1925–2025

Nikki

peak 1972 2025 18801900192019401960198020002020
Peak year 1972
Peak births 1,704
Latest count 44
Status Endangered
Peak generation Gen X
In 1,106 girls, Lena found its level. 50 years earlier, Nikki occupied that same address. One peaked in the Gen X era; the other in the Greatest Generation world. They never met. But the data remembers them both.