It is also well-known that Vaishyas are superior by virtue of their wealth and that Sudras are superiors by virtue of their years. Speak for yourself then, as you please, your list of Rathas and Atirathas.
बलज्येष्ठं स्मृतं क्षत्रं मन्त्रज्येष्ठा द्विजातयः। धनज्येष्ठाः स्मृता वैश्याः शूद्रास्तु वयसाधिकाः॥