Counterfactual
The Parallel Lives of Roni and Diamond
In 18 girls, Roni found its level. 50 years earlier, Diamond occupied that same statistical address.
1939–2025
Roni
Peak year
1955
Peak births
295
Latest count
18
Status
Endangered
Peak generation
Boomer
1908–2025
Diamond
Peak year
1999
Peak births
2,160
Latest count
94
Status
Endangered
Peak generation
Gen Z
In 18 girls, Roni found its level. 50 years earlier, Diamond 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.