RUBBER COMPOSITION FOR TIRES, AND TIRE

With the aim of providing a rubber composition for a tire capable of improving the ratio of sustainable materials in tires, a rubber composition for a tire contains a rubber component (A), a filler (B), and a resin (C), wherein the rubber component (A) includes two or more types of rubber, the filler (B) includes plant-derived silica (B1), and a ratio of the plant-derived silica (B1) in the filler (B) is 45 mass% or more.