Counterfactual

The Parallel Lives of Harper and Erin

In 6,792 girls, Harper found its level. 50 years earlier, Erin occupied that same statistical address.

1971–2025

Harper

peak 2016 2025 1900192019401960198020002020
Peak year 2016
Peak births 10,803
Latest count 6,792
Status Declining
Peak generation Gen Alpha
1888–2025

Erin

peak 1983 2025 1900192019401960198020002020
Peak year 1983
Peak births 14,836
Latest count 327
Status Endangered
Peak generation Millennial
In 6,792 girls, Harper found its level. 50 years earlier, Erin occupied that same address. One peaked in the Millennial era; the other in the Gen Alpha world. They never met. But the data remembers them both.