Efficiently generating information about user movement trends across the entire mobile communication system. Information analysis apparatus 600 receives additional number information from RNC 300 that controls a plurality of BTSs 200 for receiving a branch addition report including a movement source sector ID and a movement destination sector ID related to the branch added at the time of handover of mobile device 100 Unit 601, an additional number information storage unit 606 that stores the number of branches added for each combination of the movement source sector ID and the movement destination sector ID based on the branch addition report, and for each of a plurality of predetermined total areas The information totaling unit 604 for totalizing the number of added branches stored by the additional number information storage unit 606 for the combination corresponding to each totaling area, and the number of branches added for each of the plurality of totaling areas An output map generation unit 605 that converts the data into a data format and outputs it as population flow information.
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