Counterfactual

The Parallel Lives of Mackenzie and Bonnie

In 1,343 girls, Mackenzie found its level. 50 years earlier, Bonnie occupied that same statistical address.

1973–2025

Mackenzie

peak 2001 2025 18801900192019401960198020002020
Peak year 2001
Peak births 6,934
Latest count 1,343
Status Declining
Peak generation Gen Z
1880–2025

Bonnie

peak 1947 2025 18801900192019401960198020002020
Peak year 1947
Peak births 10,214
Latest count 785
Status Endangered
Peak generation Boomer
In 1,343 girls, Mackenzie found its level. 50 years earlier, Bonnie 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.