> Expressed another way, that would mean that 10% of all males surviving to adulthood would perish in combat.

> We’ll get back around to fertility rates later in the series but for how if we assume each woman in this society is having on average five live childbirths, a 2% chance of death at each stage adds up pretty quickly – a woman who gave birth five times with a 2% chance of dying each time has a total chance of dying at one stage or another of 9.607%, which as you will note is not far off from the chance of dying in a battle