Counterfactual

The Parallel Lives of Riley and Denise

In 4,441 girls, Riley found its level. 50 years earlier, Denise occupied that same statistical address.

1923–2025

Riley

peak 2016 2025 1900192019401960198020002020
Peak year 2016
Peak births 7,159
Latest count 4,441
Status Declining
Peak generation Gen Alpha
1882–2025

Denise

peak 1961 2025 1900192019401960198020002020
Peak year 1961
Peak births 15,379
Latest count 123
Status Endangered
Peak generation Boomer
In 4,441 girls, Riley found its level. 50 years earlier, Denise occupied that same address. One peaked in the Boomer era; the other in the Gen Alpha world. They never met. But the data remembers them both.