Hyperscalers Fuel $4 Trillion AI Data Center Debt Wave as Infrastructure Demand Surges

Data center companies worldwide are rapidly accumulating debt to finance unprecedented expansion of AI infrastructure, with the five largest U.S. hyperscalers projected to spend $602 billion in 2026 alone—a 36% increase from the prior year. The capital surge reflects an emerging consensus that artificial intelligence development requires massive, sustained investment in computational capacity, and capital markets are responding accordingly.