Counterfactual
The Parallel Lives of Brooklyn and Joy
In 2,300 girls, Brooklyn found its level. 50 years earlier, Joy occupied that same statistical address.
1972–2025
Brooklyn
Peak year
2011
Peak births
7,178
Latest count
2,300
Status
Declining
Peak generation
Gen Z
1885–2025
Joy
Peak year
1957
Peak births
2,929
Latest count
747
Status
Declining
Peak generation
Boomer
In 2,300 girls, Brooklyn found its level. 50 years earlier, Joy occupied that same address. One peaked in the Boomer era; the other in the Gen Z world. They never met. But the data remembers them both.