VULCANIZED RUBBER COMPOSITION, TIRE TREAD AND TIRE

Provided is a rubber composition having excellent wear resistance and operability. The rubber composition of the present disclosure is a vulcanized rubber composition having a rubber component that contains a multicomponent copolymer containing a conjugated diene unit, a non-conjugated olefin unit and an aromatic vinyl unit, where the vulcanized rubber composition has a plurality of voids, and an average diameter of the voids is 10 µm to 300 µm.