STATE EXTRAPOLATION DEVICE

A sign of a state that may affect a movement of a user is more appropriately extrapolated . A state extrapolation device includes a vital sign acquisition unit that acquires a vital sign of a user, and a sign detection unit that uses a learned model that has learned, as training data, sign data about the vital sign related to a predetermined physical condition abnormality, and detects a sign by determining whether or not the vital sign of the user corresponds to a sign of the predetermined physical condition abnormality.