A charging management system according to the present disclosure is a system for charging a plurality of batteries that are respectively mounted on a plurality of electric automobiles connected to a charging facility, the charging management system including: a collection unit configured to collect charging characteristics of the plurality of batteries; and a determination unit configured to determine a distribution of an amount of charging power to be supplied to the plurality of batteries from the charging facility based on the charging characteristics collected by the collection unit. The determination unit determines to supply the batteries having the same charging characteristics as each other with the same amount of charging power as each other, and determines to supply the batteries having charging characteristics different from each other with amounts of charging power different from each other.