An elevator system, comprising: an elevator drive system including a tension member supporting an elevator car under tension; and a wear and life monitoring system comprising a vibration sensor for detecting vibration of at least one of the tension member and the elevator car, and a wear and life analysis unit for determining a level of wear and life of the tension member based on the vibration of the tension member detected by the vibration sensor, characterised in that: the vibration sensor detects a vibration of the elevator car, and the wear and life analysis unit determines the level of wear and life of the tension member based on the vibration of the elevator car; and / or the vibration sensor detects a vibration of the tension member by detecting a vibration of one or more tension member guiding elements, and the wear and life analysis unit determines the level of wear and life of the tension member based on the vibration of the tension member guiding elements; and further characterised in that: the wear and life analysis unit is configured to determine the level of wear and life of the tension member by performing a spectral analysis of the vibration detected and measuring a level of frequency shift of the detected vibration relative to a reference frequency spectrum. an elevator drive system including a tension member supporting an elevator car under tension; and a wear and life monitoring system comprising a vibration sensor for detecting vibration of at least one of the tension member and the elevator car, and a wear and life analysis unit for determining a level of wear and life of the tension member based on the vibration of the tension member detected by the vibration sensor, characterised in that: the vibration sensor detects a vibration of the elevator car, and the wear and life analysis unit determines the level of wear and life of the tension member based on the vibration of the elevator car; and / or the vibration sensor detects a vibration of the tension member by detecting a vibration of one or more tension member guiding elements, and the wear and life analysis unit determines the level of wear and life of the tension member based on the vibration of the tension member guiding elements; and further characterised in that: the wear and life analysis unit is configured to determine the level of wear and life of the tension member by performing a spectral analysis of the vibration detected and measuring a level of frequency shift of the detected vibration relative to a reference frequency spectrum. the vibration sensor detects a vibration of the elevator car, and the wear and life analysis unit determines the level of wear and life of the tension member based on the vibration of the elevator car; and / or the vibration sensor detects a vibration of the tension member by detecting a vibration of one or more tension member guiding elements, and the wear and life analysis unit determines the level of wear and life of the tension member based on the vibration of the tension member guiding elements; and further characterised in that: the wear and life analysis unit is configured to determine the level of wear and life of the tension member by performing a spectral analysis of the vibration detected and measuring a level of frequency shift of the detected vibration relative to a reference frequency spectrum.