RUBBER COMPOSITION FOR SIDEWALL AND TIRE

Provide is a rubber composition for sidewall which has excellent low-rolling resistance properties and can improve pass-by noise when applying the rubber composition for sidewall to a tire. Disclosed is a rubber composition for sidewall used for a sidewall portion of a tire, where a ratio of tanδ at 0 °C to tanδ at 30 °C (0 °C tanδ/30 °C tanδ) is 2.00 or more.