Abstract
This paper focuses on the impact of Port Infrastructure Quality on the national economy. In addition, the paper also examines the mediating role of Global Competitiveness in the relationship between Port Infrastructure Quality and the national economy. The scope of the paper includes seven ASEAN countries that are strategically located and play an important role in the global supply chain. The results demonstrate the significant positive impact of Port Infrastructure on the national economy. These results provide a deeper understanding of the role of Port Infrastructure Quality and provide solutions and recommendations for the Government and industry stakeholders to focus on improving the quality of port infrastructure to improve competitiveness and economic efficiency, thereby promoting the economic performance of ASEAN countries.