The image processing method includes: (a) detecting a face area or face areas in each of the plurality of images; (b) setting an all-face-inclusion area that includes all of the face areas detected in the operation (a) for each of the plurality of images; (c) setting a plurality of unit areas where the images are to be arranged by dividing the layout area on the basis of the number of the images and the layout area itself; (d) selecting a maximum-face-number image, which is an image that includes the maximum number of the face areas detected in the operation (a).