As of 2025, the (ASEAN) has 11 and one observer state. ASEAN was with five member states:,, the,, and. It is headquartered in, Indonesia. The group sought economic integration by creating the AEC by the end of 2015 that established a. The average economic growth of member states from 1989 to 2009 was between 3.8% and 7%. This was greater than the average growth of APEC, which was 2.8%. The ASEAN Free Trade Area (AFTA), established on 28 January 1992, includes a Common Effective Preferential Tariff (CEPT) to promote th.