An information processing device includes: a user information acquisition unit which acquires first information, second information, and third information about a user； a correlation information acquisition unit which acquires correlation information representing a relation between the first information, the second information, and the third information； an initial value setting unit which sets an initial value of the first information, the second information, and the third information； a fixing designation unit which designate fixing of the first information； a change designation unit which designates change of the second information； and an update unit which updates the third information on the basis of the correlation information.
