A display device for a vehicle includes a projection device that is provided on a vehicle cabin interior side of a front windshield glass in a vehicle, and displays information by projecting projection light so that this information appears superimposed on scenery visible in front of the vehicle, a display device that is provided in an instrument panel of the vehicle, and displays information towards a vehicle occupant seat side, and a display control unit that, of planned actions acquired from a self-driving control unit that controls self-driving of the vehicle, causes a planned action that is to be performed next after a vehicle action currently being performed to be displayed as a primary planned action by the projection device, and also causes planned actions that are to be performed subsequently to the primary planned action to be displayed as secondary planned actions.