Given recent economic and political realities, Southeast Asia has become a major engine of ocean freight growth, especially for exports to the U.S. Ports in the region have responded with significant infrastructure investments to capture a larger share of global trade. Companies transforming their supply chain to embrace the advantages of this region increasingly need global logistics partners with strong local execution in ASEAN markets.
Southeast Asia’s Ocean Freight Growth is Accelerating
Southeast Asia’s export volume to the U.S. is growing rapidly and is increasingly competitive with China, driven by supply chain diversification and tariff-related cost pressures. The global financial crisis of 2009 and the Pandemic of 2019 heightened awareness of supply chain risk, leading manufacturers to locate production facilities across the region.
The Trump-era China tariffs have accelerated sourcing shifts and encouraged companies to diversify production bases. From March to June 2025, U.S. imports from Southeast Asia surpassed imports from China for the first time since 2000.
This trend of shifting sources aligns with the long-term China+1 strategy companies have developed to diversify their sourcing. Developing additional suppliers enhances supply chain resilience, mitigating risk of disruptions no matter the cause.
Proof for the rise of Southeast Asia’s prominence is in the numbers:
Growth in container throughput
U.S. goods imports from key ASEAN exporters climbed strongly in 2024 (e.g., Vietnam +19.3%, Thailand +12.6%, Malaysia +13.7%). Container volumes are rising steadily across the region’s major ports for export/import traffic and regional relay points.
More direct liner sailings/service expansions
Liner schedules from MSC, ZIM, OOCL and others reflect new service designs that directly incorporate ASEAN load ports into U.S.-bound rotations—i.e., service expansion/embedding rather than relying only on North Asia transshipment.
Stronger US-bound capacity from key ASEAN gateways
Major carriers’ published networks increasingly embed ASEAN load ports directly into Transpacific rotations. To meet this rising demand, carriers typically add services, upsize vessels, and expand port-pair coverage, especially from high-performing gateways.
In response to global tariffs in 2025, Southeast Asian governments are placing even greater emphasis on the future development of port construction.
ASEAN Strengthened Its Competitive Edge Through Port & Policy Planning
This growth did not happen by chance — several ASEAN markets have invested heavily in ports, connectivity, and investment incentives to compete globally. Still, only a limited number of Southeast Asian ports appear in the global rankings in 2023, with Singapore leading the pack.
In 2009, Southeast Asia accounted for 5 of the top 25 global ports by annual throughput, compared to 8 in 2023.
Currently, Tuas Port in Singapore dominates the region as a leading transshipment hub, thanks to long-term planning and mega-port development. The future looks bright as well—Singapore is expected to become the world’s largest fully automated container terminal, handling 65 million TEUs by 2040.
ASEAN Countries have improved operations in the past 10 to 15 years through investment programs focused on:
- Port expansion and modernization
- Industrial park development
- Better customs processes and trade facilitation
- Stronger inland connectivity (roads/rail)
These port improvements often go hand in hand with foreign direct investment and manufacturing relocation.
Public planning agencies such as the Malaysian Investment Development Authority (MIDA) and the Thailand Board of Investments (BOI) are taking the initiative to attract manufacturing through tax incentives and streamlined regulations.
The infrastructure must develop to keep pace with economic growth in countries driven by forward-thinking public policies.
With ongoing investments and development, ASEAN ports can absorb more volume and continue to increase their competitiveness.
Overview of Key ASEAN Ports
Leading ASEAN ports are competing to become the main gateways for shippers seeking viable alternatives to Asia-US and Asia-Europe routing. These ports are central to ASEAN’s rising role in global ocean freight and are becoming more important for U.S. and global trade lanes.
Tuas Port, Singapore
Tuas Port is Singapore’s next-generation mega port, designed to consolidate all container operations into a single, highly automated facility. Leveraging advanced robotics, AI, and deepwater berths, it will significantly increase efficiency and reduce vessel turnaround times.
NOTE: Once fully completed in the 2040s, Tuas is expected to handle up to 65 million TEUs annually, making it one of the largest container ports in the world.
Port Klang, Malaysia
Port Klang is a primary maritime gateway and a key transshipment hub along the Strait of Malacca. It benefits from strong connectivity to regional and global shipping routes, supported by extensive logistics and industrial zones nearby.
NOTE: The port plays a major role in containerized trade and automotive imports.
PTP (Port of Tanjung Pelepas), Malaysia
Port of Tanjung Pelepas (PTP) is a modern deepwater container port strategically located near Singapore, optimized for large mainline vessels. It is known for its efficiency, competitive pricing, and strong focus on transshipment.
NOTE: As a key hub for major global shipping alliances, PTP is equipped to handle some of the world’s largest container ships.
Laem Chabang, Thailand
Laem Chabang is Thailand’s largest and most important deep-sea port, linking the country’s industrial heartland with global trade. The port supports a wide range of cargo types, including containers, vehicles, and bulk commodities.
NOTE: It is central to Thailand’s Eastern Economic Corridor (EEC), supporting automotive and manufacturing exports.
Ho Chi Minh City, Vietnam
The ports serving Ho Chi Minh City form Vietnam’s busiest container gateway, supporting the country’s rapidly expanding export economy. They are closely integrated with manufacturing zones producing electronics, textiles, and consumer goods.
NOTE: Due to river draft limitations, larger vessels are increasingly routed to deepwater ports like Cai Mep–Thi Vai, while HCMC remains vital for regional distribution.
Jakarta, Indonesia
Jakarta’s port system, led by Tanjung Priok, is Indonesia’s primary maritime hub, handling a broad mix of containerized, bulk, and general cargo supporting domestic consumption and industry.
NOTE: Tanjung Priok accounts for over half of Indonesia’s container throughput, making it critical to national supply chains.
Challenges Shippers May Face as ASEAN Ocean Trade Expands
Port and terminal developments are long-term projects, and volatile political and economic factors may influence the landscape in unexpected directions. For example, TPP has published its plans through 2030, and Singapore’s outlook extends to 2055. The long horizon for those developments means they may not be in place to help with current or near-future conditions.
In the short term, current activities in the area are reactive, aimed at adjusting to U.S. policies. There is no guarantee that any additional capacity will be assigned to the U.S. trade instead of the Intra Asia / Asia-Europe trade. Ports and carriers will react to market conditions and consider current port infrastructure to inform their decision-making.
Capacity may change in the Intra-Asia region due to market condition at the time. Carriers may upsize vessels, thereby increasing total capacity rather than redistributing it among carriers. Carriers may respond by increasing frequency on existing service loops, which requires additional vessels, or by introducing new service loops to the trade without phasing out existing ones.
No matter the plan, actual progress will still be affected by market conditions, geopolitical events, budgets, and policy making. The longer the timeline is stretched, the more uncertainty there is.
Why Local Know-How Matters
As ASEAN ocean freight activity expands over the next decade, companies that win will be those that can scale reliably across multiple ASEAN markets with the right local execution partner.
As companies have invested heavily in locating production facilities in this region, the long-term outlook remains highly positive for expanding exports and ocean freight in these critical trade lanes.
Shippers can take advantage of the developing capacity and sophistication of these ports through proactive planning. If you haven’t already, start by revisiting routing design and carrier allocation to develop your port selection strategy. Using the right ports and right carriers will position your logistics operations to succeed in this fast-changing environment.
As you consider your port strategy, prepare for customs and compliance readiness using new routes. You don’t want to end up paying extra duties or having shipments delayed due to a lack of knowledge about each nation’s customs requirements.
Logistics providers with long-standing operations in Southeast Asia can help shippers navigate local complexity while maintaining global service consistency. For example, Dimerco has operated in Southeast Asia since 1978 and maintains more than 18 locations across the region.
To help transform your ASEAN port strategy, connect with a global logistics partner with a strong ASEAN presence. You need a partner with experience to bridge the gap between local operations and global standards while navigating country-by-country differences. A strategic partner will support end-to-end supply chain optimization to transform your presence across Southeast Asia.
When you’re ready to focus on your ASEAN shipping strategy, rely on Dimerco’s deep local expertise. Let’s talk before your next planning cycle.
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