Abstract: A vehicle operation device (1) according to the invention includes: a supply-demand difference processing unit (22) configured to calculate a difference between a demand for a mobility service for moving a person between bases and a supply of the mobility service for each combination of the bases; and an operation plan processing unit (23) configured to transmit the difference to a provider of a vehicle that implements the mobility service for each combination of the bases. The vehicle operation device (1) according to the invention further includes: a demand processing unit (21) configured to acquire the demand from a waiting room of the base, in which the operation plan processing unit (23) transmits an operation plan of the vehicle to the waiting room.