Counterfactual

The Parallel Lives of Yona and Diamond

In 18 girls, Yona found its level. 50 years earlier, Diamond occupied that same statistical address.

1924–2025

Yona

peak 2014 2025 192019401960198020002020
Peak year 2014
Peak births 18
Latest count 18
Status Rising
Peak generation Gen Alpha
1908–2025

Diamond

peak 1999 2025 192019401960198020002020
Peak year 1999
Peak births 2,160
Latest count 94
Status Endangered
Peak generation Gen Z
Yona and Diamond peaked in the same cultural weather — the Gen Alpha naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.