Provided are a labor cost simulation system, a labor cost simulation method, and a labor cost simulation program for efficiently predicting labor costs. The control unit (21) of the labor cost analysis device (20) acquires the calculation target period and executes an acquisition process of all personal information. Next, a control part (21) performs the acquisition process of the structure structure list information of a calculation object period. Furthermore, a control part (21) performs the acquisition process of the raise setting for every organization in the calculation object period, and the raise setting for every individual. And a control part (21) performs the calculation process of the salary supply prediction of an individual of a calculation object period, and the calculation process of an insurance premium for every individual. Further, the control unit (21) executes the main task and the concurrent job distribution process, and executes the output process.
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