Annual AI Infrastructure Investment to Average 3.6% of U.S. GDP, with $1.4 Trillion in Debt Risk Hidden Off Balance Sheets
Dongcha Beating AI Brief: According to the latest research from the Brookings Institution, total investment in U.S. AI data center construction is projected to reach $10.3 trillion from 2025 to 2032, with average annual investment accounting for about 3.63% of U.S. GDP—roughly 1.6 times the peak of 19th-century railroad construction and more than three times the boom in internet and fiber-optic construction.
Columbia Business School Professor Stijn Van Nieuwerburgh noted that investment in AI infrastructure is unprecedented in scale. Capital expenditures by tech giants such as Meta and Microsoft have exceeded their operating cash flow, and more projects are turning to leases, joint ventures, special-purpose vehicles, and private credit for financing. As a result, some debt does not appear directly on tech companies’ balance sheets.