At the close of 2025, Indonesia recorded a solid trade surplus and healthy investment inflows despite global turbulence. Yet one question is rarely asked: how much larger could those gains have been if ASEAN had functioned as a truly coordinated production base? In a fragmented global supply chain environment, Indonesia should not merely be surviving — it should be extracting strategic advantage from its position at the heart of Southeast Asia. It is entirely plausible that with a more cohesive ASEAN in 2026 and beyond, Indonesia’s trade surplus and FDI inflows would be significantly stronger.

In today’s world, a country’s ability to trade and attract investment is no longer determined solely by cost and efficiency, but by its position within regional and global production networks. Countries that stand alone are squeezed between competing blocs; those embedded in a regional ecosystem gain bargaining power, stability, and a pathway to move up the value chain. Seen from this perspective, ASEAN’s strategic importance for Indonesia becomes unmistakable — not only today, but for the years ahead. Ironically, amid global fragmentation, many countries — including within ASEAN — have begun to forget that their strength lies in regional value chains. Rather than deepening intra-regional production linkages, they chase bilateral ties elsewhere. Yet ASEAN’s own history demonstrates that well-managed regional integration can be a powerful engine of growth.

Indonesia, the architect of ASEAN
ASEAN was founded in 1967, not as a diplomatic club, but as a pragmatic political-economic project. Its founders understood that there is no development without stability, and no stability without cooperation. From the beginning, ASEAN rested on two pillars: regional peace and economic integration. That logic is even more relevant today, as geopolitics and uncertainty return to the global stage.

From the outset, Indonesia has been more than just a member; it has been ASEAN’s political and intellectual pillar. Many of ASEAN’s key milestones — from the Bali Concord and the ASEAN Charter to the drive for deeper market integration — were born of Indonesian leadership. Indonesia has also been central to transforming ASEAN from a free-trade area into a regional production platform, including through customs cooperation, logistics connectivity, and the creation of RCEP as an ASEAN-anchored framework linking the region to major Asia-Pacific partners.

This shift — from a trading bloc to a cross-border production base — has been strategic. In such an architecture, raw materials, components, assembly, and distribution need not be located in a single country; they are spread across the region as one integrated ecosystem. For Indonesia, this means ASEAN acts as an extension of the domestic market, a magnet for investment, and a bridge for technology and skills. Looking ahead, ASEAN’s importance for Indonesia will only grow. The global economy is entering an era in which data, artificial intelligence, and digital technologies are integral to production and trade. Future value chains will not be defined only by physical goods, but by flows of data, software, design, and digital services.

For Indonesia’s younger generation — who will live and work in an AI-driven economy — ASEAN is the natural economic space to scale up. Without an integrated regional market, Indonesian startups, software developers, and digital service providers will simply be too small to compete globally. With ASEAN as a shared market and production base, Indonesian talent can plug into much larger regional value chains, from app development to advanced manufacturing. ASEAN, in other words, is not just about today’s exports, but about Indonesia’s place in tomorrow’s Southeast Asian digital economy.

Indonesia increasingly needs ASEAN
In the past, ASEAN gave Indonesia room to grow within a stable balance between East and West. In the future, ASEAN will determine whether Indonesia can move up the economic ladder. In a fragmented world, regions that can operate as unified production systems enjoy far greater bargaining power than countries acting alone. For Indonesia, ASEAN is therefore the most realistic platform to secure its position in global supply chains, shield its industries from geopolitical shocks, and ensure that its digital and AI-driven transformation is embedded in a broader regional ecosystem rather than isolated.

The fact that roughly one in every five dollars of Indonesia’s non-oil exports goes to ASEAN, that the largest share of foreign investment comes through Singapore as a regional financial hub, and that Indonesia’s industrial supply chains are increasingly intertwined with Thailand and its neighbors, all tells a clear story: ASEAN is already part of Indonesia’s economic engine — though it has yet to be fully leveraged. Precisely because Indonesia is in the region, its national interest demands an ASEAN that is more cohesive, more coordinated, and more ambitious.

In a world that is becoming ever more divided, Indonesia’s strength will be shaped not only by what it does on its own, but by how intelligently it uses ASEAN as a strategic lever to grow faster and stronger.

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Iman Pambagyo is the Trade Ministry’s Director General of International Trade Negotiations (2012-2014, 2016-2020) and Indonesia’s Ambassador to the WTO (2014-2015).

The views expressed in this article are those of the author.