MANILA, Philippines / AsiaWire.IO / – Southeast Asian governments face a $264 billion annual shortfall in infrastructure funding, according to a new Asian Development Bank report. The region needs a total of $7.1 trillion in infrastructure investment through 2040, or about $476 billion a year. That is equal to 8.7% of regional gross domestic product. The assessment covers all 11 ASEAN member states. The report, The $7 Trillion Challenge: Building Tomorrow’s ASEAN, was released on Tuesday, November 10.
At current levels, public investment would meet only 45% of the region’s needs, the ADB said. Over the full period, the gap amounts to almost $4 trillion. The bank’s previous estimate, covering 2016 to 2030, put needs at $3.15 trillion. The report said rising demand reflects economies that are growing, urbanizing and becoming more digitally connected and service oriented.
ADB President Masato Kanda said Southeast Asia’s growth depends on what it builds next. “Its factories need dependable electricity, and its businesses need faster, safer ways to reach markets,” he said. He said the investments must also deliver long-term benefits. The ADB will help governments bring forward projects that investors can trust and people can depend on, he added. Kanda took office as ADB president in February 2025.
Electricity needs reach $3.6 trillion
Power is the largest single need at $3.6 trillion, followed by transport at $2.5 trillion. Together they account for 85% of the total. Investments must expand electricity generation, transmission and storage, including cross-border links under the ASEAN Power Grid. The ADB launched its Pan-Asia Power Grid Initiative in May to expand cross-border electricity trade, building on the ASEAN grid. The bank said this would cut exposure to global supply disruptions. The ADB said stronger grids would also support greater use of clean energy.
Within transport, roads account for nearly $2 trillion. Railways and airports are among the fastest-growing needs. The report said integrated networks and cross-border links will reduce logistics costs and lift the region’s competitiveness. The findings come as developing Asia-Pacific economies are set to grow 5% this year. Cross-border connectivity is a key focus of the report’s transport recommendations.
Digital and health gaps
Digital infrastructure, including broadband and data centers, needs $584 billion. The ADB’s Asia-Pacific Digital Highway, also launched in May, will finance fiber networks, submarine cables, internet exchange points and regional data centers through 2035. The investments will support the ASEAN Digital Economy Framework Agreement. The ADB said digital investment is critical to boosting productivity and competitiveness across the region. Stronger connectivity will also matter as generative AI reshapes jobs across ASEAN.
Health needs total $227 billion, covering about 49,000 new facilities, most of them primary health care centers. These will strengthen health systems and preparedness for future emergencies. The report cited tight budgets, limited private-sector participation and a lack of bankable projects as major hurdles. It urged better project preparation, predictable regulation and transparent procurement to attract investors. The ADB has pledged to mobilize up to $30 billion by 2030 for ASEAN priorities.