Agfa, Foraging and hunter-gatherer populations, work about 20 hours per week and transitioning to farming increased working hours.
https://www.sciencedaily.com/releases/2019/05/190520115646.h...
!Kung spend 40 to 45 hours on food gathering and prep between women and men.
https://www.google.com/amp/s/fistfulofscience.wordpress.com/...