Preindustrial peoples generally worked less than we do, and life expectancy after childhood was not markedly different; if you survived early childhood, unless

Preindustrial peoples generally worked less than we do, and life expectancy after childhood was not markedly different; if you survived early childhood, unless you were born in a particularly bad time (like the Black Plague), you could expect to live into your 60s or 70s. Pre-civilization peoples (if by civilization we mean agriculture and settlements) seem to have worked even less.