RUBBER COMPOSITION AND PNEUMATIC TIRE HAVING TREAD MANUFACTURED FROM SAID RUBBER COMPOSITION

Provided are a rubber composition having a good balance of improved fuel efficiency, abrasion resistance, and wet grip performance while providing good processability, and a pneumatic tire having a tread manufactured from the rubber composition. A rubber composition comprising: a copolymer synthesized by copolymerization of a conjugated diene monomer and an unsaturated acyclic monoester represented by the formula (1) below; and carbon black and/or silica, wherein Rrepresents hydrogen or a C1-C30 hydrocarbon group, and Rrepresents hydrogen or a C1-C30 hydrocarbon group.