Counterfactual
The Parallel Lives of Unknown and Tanner
In 47 boys, Unknown found its level. 50 years earlier, Tanner occupied that same statistical address.
1880–2025
Unknown
Peak year
1954
Peak births
548
Latest count
47
Status
Endangered
Peak generation
Boomer
1913–2025
Tanner
Peak year
1998
Peak births
4,704
Latest count
641
Status
Declining
Peak generation
Gen Z
In 47 boys, Unknown found its level. 50 years earlier, Tanner 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.