I think we’re talking about forms of government and not geographical countries. China definitely doesn’t fit here since it’s governing bodies have shifted so drastically in the last few hundred years. I don’t know much about the specifics of ancient Egyptian government but I imagine it would vary with the dynasty if not with the individual ruler. Traditional monarchies are based on the whims of a ruling elite, family, and individual after all. They have no constitution to provide continuity and all law, secular and religious, is superseded by royal decree.