Economic integration among the countries are an agreed and planned economic cooperation that contributes to the overall development and growth of the countries within the region. This provides benefits to the member nations by boosting their trade and productivity. the study is based on the case study of ASEAN (Association of Southeast Asian Nation). The research is based on secondary data and qualitative analysis with a descriptive framework. From the data derived from sources, it is seen that ASEAN has recorded prominent levels of growth and development.