PROBLEM TO BE SOLVED: To appropriately provide a service according to an emotion source to a user. SOLUTION: An emotion estimation unit that estimates the user's emotion based on the feature amount of the user extracted from the user's measurement information, and the emotion and the second of the first user estimated by the emotion estimation unit. An emotion comparison unit that compares the emotions of the user and determines the commonality between the emotions of the first user and the emotions of the second user, and when the commonality is recognized, the first An emotion estimation device including an emotion source estimation unit that estimates whether the user's emotion source is the first user or the second user. [Selection diagram] Fig. 2【課題】ユーザに対して感情発生源に応じたサービスを適切に提供することを実現する。【解決手段】ユーザの計測情報から抽出される前記ユーザの特徴量に基づき、前記ユーザの感情を推定する感情推定部と、前記感情推定部が推定した第１のユーザの前記感情と第２のユーザの前記感情とを比較し、前記第１のユーザの前記感情と前記第２のユーザの前記感情との共通性を判定する感情比較部と、前記共通性が認められる場合、前記第１のユーザの前記感情の発生源が前記第１のユーザまたは前記第２のユーザであるかを推定する感情発生源推定部と、を備える、感情推定装置。【選択図】図２
