EN
In this paper there are presented the results of investigation of the various factors impact on the level of male and female wages inequality. These factors are as follows: level of wages in employees group in comparison to the national average wages, the proportion of women in the group of employees, women labor market activity in the states, and variables such as the age, job seniority, level of education of the employees, type of employment contract, occupation (ISCO88), branch where the enterprises operate (NACE rev. 1.1), size of the company and collective pay agreement.