Today, women face many problems in working life. Women are constantly subjected to discriminatory behavior, especially in hiring, during at work, in dismissal. One of the major problems in these discriminatory behaviors is the problem of wage inequality, which is expressed as take lower wages compared men workers of women workers who have the same educational level as men workers and who do the same job. In the Global Wage Report, published by the International Labor Organization (ILO) in 2016, it is stated that wage inequality between men and women workers is still continuing despite decrease from past to present. Also in the report, it is stated that within the scope of the researches carried out in various countries, the hourly gender pay gap reach up to 50 percent. On the other hand, gender pay gap in the European Union (EU) has been realized by 16,6 percent in 2014. In Turkey, according to educational status the gender pay gap by study conducted in 2014 has been realized by 16 percent at early childhood-primary-lower secondary education level and 23,3 percent at master's or doctoral equivalent level. The purpose of the study, in the EU countries and Turkey within the scope of survey structure of earnings reveals wage inequality between men and women workers. Another important objective of the study is to present opinions and suggestions in the context of regulations aimed at preventing wage inequality.