Research and approaches to the integration processes in the European Union

The article is devoted to the study of modern trends of integration processes. We studied the methodological principles and approaches to the study of the integration of subjects. Specifically analyzed integration levels: individual, regional, domestic, interstate, global. Also, isolated and characterized various forms of integration: political, economic, informational, cultural and others. We analyzed the integration process as a result of the relationship, cooperation, convergence and integration into a single unit of any parts, components countries, their economies, social and political structures, cultural, social and political groups, ethnic groups, political parties, movements and organizations. It is proved that integration has several levels of development. Interaction at the level of enterprises and organizations (first level) – directly to producers of goods and services. The integration of the economies of the main links of different countries is complemented by the interaction at the country level (the second level). The third level of development of integration processes – interaction at the level of parties and organizations, social groups and individuals from different countries – can be defined as a social and political one. Fourth level – is the level of the actual integration group as an economic community, with its characteristics and peculiarities. It was noted that today is used by political science approaches to the study of integration. It is important to the following principles: federalism, functionalism, communicative approach, and others. Keywords: Integration, levels, approaches, studies, European integration, politics, economics, features