Abstract: A determination device according to the present application includes an acquisition unit, a calculation unit, and a determination unit. The acquisition unit acquires user information that is information regarding a user who uses a terminal device that becomes a providing destination of content. The calculation unit calculates scores regarding a probability of the user performing a predetermined behavior for a plurality of pieces of the content on the basis of the user information acquired by the acquisition unit. The determination unit determines distribution content to be distributed to the terminal device on the basis of the scores of the plurality of pieces of content calculated by the calculation unit.