Counterfactual

The Parallel Lives of Delphine and Madeleine

In 42 girls, Delphine found its level. 50 years earlier, Madeleine occupied that same statistical address.

1880–2025

Delphine

peak 1958 2025 18801900192019401960198020002020
Peak year 1958
Peak births 348
Latest count 42
Status Stable
Peak generation Boomer
1881–2025

Madeleine

peak 1998 2025 18801900192019401960198020002020
Peak year 1998
Peak births 1,424
Latest count 679
Status Stable
Peak generation Gen Z
In 42 girls, Delphine found its level. 50 years earlier, Madeleine occupied that same address. One peaked in the Gen Z era; the other in the Boomer world. They never met. But the data remembers them both.