Reminder that wakanda is a basically feudal society, despite of the technological developments they have. The people at the top live luxurious lives with massive amounts of technology, while everybody else lives in pretty shity conditions at the under bottom of the city. or, if they are really unlucky, they are doomed to be part of the fake wakonda, outside of the city.
Oh, it is also run by trial by combat. meaning that anybody angry enough to punch somebody really hard can be king. Probably selected only out of the nobility, but, the point is, any Noble coupons is hard enough gets to be king.