A radiographic imaging system comprises: a radiation source for irradiating an examinee with radiation; a radiation detector for detecting radiation that has penetrated the examinee to acquire radiographic image data; image data receiving unit for receiving the radiographic image data from the radiation detector and outputting a termination signal indicating that an image has been taken each time receiving the radiographic image data; control unit for controlling operations of the radiation source and the radiation detector and detecting a progress of an imaging session for successively taking a series of images according to the termination signal outputted from the image data receiving unit; and progress notification unit for notifying the examinee of a progress of imaging session detected by the control unit.