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The development of gross wages for employees in Poland for a different time periods by social justice criteria is made. Based on gross wages the interval differentiation approach is considered for correlation to gross remuneration in adjacent time period. The use of dependencies is carried out to determine the value, that increases the gross wages and to determine the rate of remuneration's growth rate for individual categories of employees. To assess the adequacy of the developed approach the results of theoretical calculations are compared with statistical data. The conclusions regarding the availability of sustainable patterns of equal distribution by achieving appropriate dynamics of wages' growth in certain categories of workers were done.