Counterfactual

The Parallel Lives of Leonard and Jim

In 438 boys, Leonard found its level. 50 years earlier, Jim occupied that same statistical address.

1880–2025

Leonard

peak 1921 2025 18801900192019401960198020002020
Peak year 1921
Peak births 5,650
Latest count 438
Status Endangered
Peak generation Greatest Generation
1880–2025

Jim

peak 1959 2025 18801900192019401960198020002020
Peak year 1959
Peak births 5,688
Latest count 38
Status Endangered
Peak generation Boomer
In 438 boys, Leonard found its level. 50 years earlier, Jim occupied that same address. One peaked in the Boomer era; the other in the Greatest Generation world. They never met. But the data remembers them both.