An attention level measuring apparatus, including: an eye direction measurement unit, which is configured to input image data and to measure an eye direction of a person photographed; an attention position information calculate unit, which is configured to calculate attention position information of a person, from the eye direction measured by an eye direction measurement unit; a person-attention-level calculate unit, which is configured to calculate person-attention-level information regarding a person-attention-level parameter about an attention target of a person, with using the attention position information calculated by the attention position information calculate unit; and an output control unit, which is configured to display graphic information produced upon basis of the calculated attention level information and a picture of the attention target, putting one upon the other.