An accident report system for a vehicle includes an accident detection section to detect an accident; an information collection section to collect information; and an information report section to report the collected information to an external agency when the accident is detected. The information collection section differentiates the collected information before and after the detection of the accident such that (i) an accident cause data is collected before the detection of the accident to confirm an exterior outside of the vehicle and (ii) an accident damage data is collected after the detection of the accident to confirm an interior inside of the vehicle. The collection and report of the accident cause data and accident damage data permits the external agency to recognize states of the vehicle or states of an occupant of the vehicle before and after the detection of the accident.