The most prominent feature of the 20th century is economic, cultural / social, technological, communication, transportation, environmental / demographic etc. The innovations emerging in the fields and the effects of these innovations on the countries. The speed of this change and the way it affects countries depends on the regional structure of each country and the current social and economic structure of the country. The countries have tried to get a share from the world's welfare by establishing economic integration in many areas with each other in order to keep up with the pace of this change or not to stay behind. While economic integrations appear primarily as liberalization in trade, they are a tool of globalization that countries in the future have adopted a common policy in areas other than trade. The issue of this article is about the scope and types of economic integration and what should be the criteria for successful integration, the regional structures of the examples of integration in the world, the static and dynamic effects of international trade, and finally how it will be transformed in the future.