Counterfactual

The Parallel Lives of Yuki and Hailey

In 24 girls, Yuki found its level. 50 years earlier, Hailey occupied that same statistical address.

1915–2025

Yuki

peak 2004 2025 192019401960198020002020
Peak year 2004
Peak births 43
Latest count 24
Status Stable
Peak generation Gen Z
1963–2025

Hailey

peak 2003 2025 192019401960198020002020
Peak year 2003
Peak births 8,798
Latest count 2,556
Status Declining
Peak generation Gen Z
Yuki and Hailey peaked in the same cultural weather — the Gen Z naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.