A worker management apparatus includes: a work performance information generation unit generating work performance information representing a performance state of work by a worker； an acquisition unit acquiring physical information representing a physical condition relating to the worker； an estimation unit estimating an influence of the physical condition upon the performance state, based on the work performance information, the physical information, and information representing a characteristic of the worker； and an improvement measure generation unit generating improvement measure information representing a measure to improve the performance state relating to the worker, according to an estimation result by the estimation unit, thereby presenting a suitable measure to improve the work performance of the worker by managing with high precision the work performance state and physical condition relating to the worker.
