Display device included in a moving body includes road information acquisition unit that acquires road information about a road in a traveling direction of the moving body and display controller that displays a virtual image illustrating at least one graphic as seen from the moving body on a display medium while superimposing the virtual image on a real space in the traveling direction when the at least one graphic is assumed to be disposed at a predetermined position in the traveling direction. Display controller updates a mode of the at least one graphic using the road information acquired by the road information acquisition unit, and displays the virtual image illustrating the updated at least one graphic on the display medium.