> For most of human history average life expectancy was 10-12 years, so most of these years lived were as children. Age of death is bimodal, so its most like m

> For most of human history average life expectancy was 10-12 years, so most of these years lived were as children. Age of death is bimodal, so its most like most people die as infants or live decent lives. > most of the time most people were working in agriculture with very little surplus to do anything else. I don't think that's actually true - subsistence farming has a lot of down time.