In today's world, there are many reasons behind labor migration, however, better living conditions are still the main motives. A new language, a new life in a foreign country, adaptation to the social and economic life, livelihood costs, loss of wages during a new job search are the main disadvantages that a migrant labor can experience. The aim of this study is to reveal the impact of the international labor force on labor force participation, gross domestic product (GDP), and productivity in Turkey. The importance of the study is to reveal the impact of the foreign labor force on the country's economy. The study both contributes to the literature as there are limited studies about the issue in Turkey, and contributes to the practice as it reveals the effect of foreign labor force on the productivity of organizations. The research method is a multivariate regression model, estimated in Stata. This method is used to estimate the relationship between one independent variable (predictors) and more than one dependent variable. The analysis comprises the years between 2003-2019. The number of foreign workers who are registered in the Foreigners Automation System and who have work permits is taken into account. According to the statistics, they are generally employed in low-skilled positions. The results provided that the foreign workers have a limited impact on the labor force participation, GDP, and productivity in the Turkish labor market. The foreign labor force in Turkey affected 0.015%, 0.0003%, and 0.00008% of GDP, productivity, and labor force participation, respectively in the observed years.