INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD AND PROGRAM

To grasp a situation of a household to which a user belongs in more detail, presence/absence identification unit acquires presence/absence information indicating a presence/absence of a spouse of a target user, a child of the target user, or a parent of the target user. A household identification unit acquires household information indicating a household including the target user and one or a plurality of family users. A relationship identification unit acquires relationship information indicating a type of a relation between the target user and each of the family users. A family identification unit identifies, based on the acquired relationship information, from among the family users included in the household indicated by the household information, a family user which is one of the spouse, the child, and the parent indicated to be present by the presence/absence information.