PROBLEM TO BE SOLVED: To estimate a feeling state of a group with a high degree of precision.SOLUTION: A group feeling estimation device 1 for estimating feeling information on a group from biological information received from biological sensors of a plurality of individuals includes: a data input part 2 for determining whether or not the biological information received from the biological sensors of the plurality of individuals is the biological information from which a feature is extracted, a feeling estimation part 5 for estimating the feeling information on the group based on the feature information of the biological information from which the feature is determined to have been extracted, and an output part 7 for outputting the feeling information acquired by the estimation.【課題】集団の感情状態を高精度で推定すること。【解決手段】複数の個人の生体センサから受信した生体情報から集団の感情情報を推定する集団感情推定装置１であって、複数の個人の生体センサから受信した生体情報が特徴抽出済みの生体情報であるかを判断するデータ入力部２と、前記特徴抽出済みと判断された生体情報の特徴情報に基づき集団の感情情報を推定する感情推定部５と、前記推定によって得られた感情情報を出力する出力部７とを備える。【選択図】図１
