The negotiation act between Serbia and the European Union began on the basis of Article 49 of the EU Contract. The act and development of negotiations will be led by Serbia’s progress in the accession preparation, especially within the frame of economic and social convergence. The progress will be measured especially in meeting the Copenhagen criteria, as well as the requirements defined by the Stabilization and Association Agreement. Also, the accession implies accepting the institutional framework of the Union, known as acquis. Acquis special importance for Serbia as a candidate country have regarding economic issues and its jurisdiction. In this sense, it is of great importance to have an overview of facts presented in the paper, which relate to certain economic categories, primarily the movement of Gross domestic product and rate of (un)employment, as well as the steps that Serbia took on their way to the Union.