An information processing method performed using a computer includes: obtaining first vehicle information from a vehicle that is a monitoring target of a monitor, the first vehicle information indicating at least one of a running state and an external state of the vehicle; determining a monitoring priority level of the vehicle according to a degree of request for monitoring the vehicle by the monitor, the degree being based on the first vehicle information; generating presentation information for monitoring the vehicle, based on the monitoring priority level; and causing a presentation device to output the presentation information.