PROBLEM TO BE SOLVED: To enable the behavior of an owner of a terminal to be grasped with higher accuracy.SOLUTION: An estimation system includes: a behavior information acquisition part for acquiring behavior information including position information representing the position of a terminal device and identification information that can uniquely identify the terminal device; a feature information generation part for generating feature information including a feature amount of a person picked up by an imaging device provided at a prescribed place; and an estimation part for estimating that the owner of the terminal device moves to the prescribed place in the case that the behavior information and the feature information satisfy a predetermined condition.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT