Counterfactual

The Parallel Lives of Koa and Calvin

In 1,281 boys, Koa found its level. 50 years earlier, Calvin occupied that same statistical address.

1978–2025

Koa

peak 2025 2025 18801900192019401960198020002020
Peak year 2025
Peak births 1,281
Latest count 1,281
Status Rising
Peak generation Gen Alpha
1880–2025

Calvin

peak 1924 2025 18801900192019401960198020002020
Peak year 1924
Peak births 4,918
Latest count 2,710
Status Stable
Peak generation Greatest Generation
In 1,281 boys, Koa found its level. 50 years earlier, Calvin occupied that same address. One peaked in the Greatest Generation era; the other in the Gen Alpha world. They never met. But the data remembers them both.