Do you know what "wealth" is academically? (I don't) How much of it access to capital (credit worthiness), ownership of property, influence over the commons (political power)?

The last one is tricky. If one society says say, all water is privatized and you need x amount for your factory then you purchase it. If another says all water is communal, then you need to assuage the community to permit you x amount.

At the end you have the effectively the same thing and these two people have the same "water wealth". Measuring generalized wealth quantitatively however, I don't know what that means.