An entrustee information transmitting method includes an entrustment managing storage storing entrustment relationship information indicating correspondence between entrusters who are voters performing entrustment and entrustees who are voters entrusted by the entrusters in an entrustment managing storage unit; an attendance managing storage storing attendance information of respective voters in an attendance managing storage unit in units of bills; an indirect-entrustment voter extracting operation of extracting one or more indirect-entrustment voter who indirectly entrust an attendee by using the entrustment relationship information and the attendance information; an entrustee determining operation of determining attendees who are indirectly entrusted by the indirect-entrustment voters to be recommended entrustees; and an entrustee information transmitting operation of transmitting information of the recommended entrustees.