Fuente: WIPO "sustainability" A tire management apparatus (10) is a tire management apparatus for calculating and managing a sustainability ratio of a tire and includes an acquisition interface (131) configured to acquire raw material information including information on raw materials of the tire and manufacturing information including information regarding manufacturing of the tire, a calculator (132) configured to calculate a sustainability ratio based on the raw material information and the manufacturing information, the sustainability ratio being a ratio of the weight of sustainable material in the tire to the weight of the tire, and an information management unit (133) configured to manage information regarding the calculated sustainability ratio.