Notes
How the model works, and why it is built this way
Four pieces, each answering one question. Every number in them can be checked against the country pages.
Why life expectancy differs by 30 years between countries
The gap between the longest and shortest life expectancy in the world is exactly 30 years. Most of it is not about how long old people live — it is about how many children survive to five.
2026-11-05
What changes when you tell someone the ending first
Most life simulators run birth to death, so the player only ever sees the middle. Reversing the chronology turns ordinary years into setup — and changes what the player pays attention to.
2026-11-05
Why some simulated lives end at four
A life simulator that draws from real life tables will sometimes hand you a life that ends before school. That is not a bug or a bid for drama — it is what the mortality distribution actually looks like.
2026-11-05
After 1 in 8 Billion: where the genre went next
1 in 8 Billion made the random-life simulator a genre. Since then a dozen independent takes have appeared, each pulling in a different direction: pixel scenes, real history, lab mode, classrooms. Here is the map.
2026-11-05