Counterfactual

The Parallel Lives of Stanley and Leonardo

In 278 boys, Stanley found its level. 50 years earlier, Leonardo occupied that same statistical address.

1880–2025

Stanley

peak 1954 2025 18801900192019401960198020002020
Peak year 1954
Peak births 6,448
Latest count 278
Status Endangered
Peak generation Boomer
1885–2025

Leonardo

peak 2019 2025 18801900192019401960198020002020
Peak year 2019
Peak births 4,427
Latest count 3,789
Status Stable
Peak generation Gen Alpha
In 278 boys, Stanley found its level. 50 years earlier, Leonardo occupied that same address. One peaked in the Gen Alpha era; the other in the Boomer world. They never met. But the data remembers them both.