A display control method for displaying demand forecast information includes: calculating a predicted number of pick-ups based on demand forecast information of a forecast target area and vacant taxi information, and displaying the calculated predicted number of pick-ups on a map screen, when a magnification for displaying map information is equal to or smaller than a first magnification, and displaying demand forecast information of the forecast target area on the map screen when the magnification is equal to or larger than a second magnification that is larger than the first magnification.