To provide an electronic device, an estimation system, an estimation method, and an estimation program capable of simply estimating a health condition of a subject.SOLUTION: An electronic device 100 includes: a sensor 130 for acquiring a pulse wave of a subject； and a control unit 143 which, using an estimation formula created on the basis of a before-meal blood glucose level, an after-meal pulse wave and an after-meal blood glucose level, estimates variation in a blood glucose level of the subject due to a meal on the basis of the after-meal pulse wave acquired by the sensor 130, and estimates the after-meal blood glucose level of the subject on the basis of the estimated variation and the before-meal blood glucose level of the subject.SELECTED DRAWING: Figure 16【課題】簡便に被検者の健康状態を推定することができる電子機器、推定システム、推定方法及び推定プログラムを提供する。【解決手段】電子機器１００は、被検者の脈波を取得するセンサ部１３０と、食前の血糖値並びに食後の脈波及び血糖値に基づいて作成された推定式を用いて、センサ部１３０が取得した被検者の食後の脈波に基づいて被検者の食事による血糖値の変化量を推定し、推定した変化量と、被検者の食前の血糖値とに基づいて、被検者の食後の血糖値を推定する制御部１４３と、を備える。【選択図】図１６
