Polyandry exists mainly in isolated, agrarian, or mountainous regions like Tibet, Nepal, and parts of India to preserve land and family resources. It is also found in some African communities and among indigenous groups.

The most common form is where a woman marries a group of brothers to keep family land and assets united. It is often a strategic economic decision for survival in difficult conditions, rather than just a cultural preference.

You should clarify the use of "polygamy" term in this context. Having multiple spuses, implicitly having sex and children with them? Having children with multiple partners but no official mariage? Having sex with multiple partners but no children?

I don't know the feminist take, but just to explain: the reason there is much much more polygyny than polyandry is basic reproduction mechanics. Women max out at ~13 kids, the most reproductively successful men have had thousands. So, a single well-resourced man can keep a bevy of wives at close to their reproductive limit no problem.

(Well, problems come when you do this as a society and create an age group of young men who have no shot at a wife because of 50/50 birth ratio. They get violent.)

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