AI buildout could surpass 1850s railroad expansion in scale, CBRE says

Google, Amazon, and Microsoft plan to spend $3.7 trillion on AI infrastructure over five years, a scale CBRE compares to the 1850s railroad boom. Data center construction is now 12 times its 2020 volume.

Published on: May 03, 2026
AI buildout could surpass 1850s railroad expansion in scale, CBRE says

Tech Giants' $3.7 Trillion AI Build-Out to Rival Historic Rail Expansion

Hyperscalers including Google, Amazon, and Microsoft plan to spend $3.7 trillion on AI infrastructure over the next five years, according to CBRE. The scale rivals the railroad expansion of the 1850s, the commercial real estate firm said in a report released Thursday.

Data center construction has accelerated dramatically. Construction volume today is 12 times what it was in 2020, CBRE found.

Manufacturing leasing is up 28% from early 2025, driven largely by companies supporting the tech firms building out AI infrastructure. The industrial real estate sector is absorbing the most immediate impact from the AI build-out.

Jobs Will Change Shape, Not Disappear

Nearly 80% of American companies use AI, but 90% report little business impact so far. CBRE said job composition should shift more than job count, with roles reconfigured rather than replaced.

Julie Whelan, head of occupier research at CBRE, said workers will adapt as they have during past technological shifts. "The reality is workers will adapt and new roles will emerge, much like how many of today's careers didn't even exist 25 years ago," she said.

Entry-level workers in AI-exposed jobs have seen lower employment in recent years compared with those in less-exposed roles, CBRE noted. Other research paints a more cautious picture: Pew Research found that about a third of workers expect AI to reduce job opportunities, and Brookings Metro warned that pathways to better-paying jobs face threats from AI.

Not all data conflict. University of Phoenix research found that AI skills boost worker confidence in finding better positions. LinkedIn career experts have said companies still seek distinctly human skills-cross-team collaboration, client relations, leadership-that AI cannot replicate.

Office Demand Expected to Remain Steady

CBRE expects office-using jobs to grow following major technological advances, though at a lesser pace than in the past. Early signs point to steady demand for office space in major markets with deep pools of skilled talent.

The AI build-out accounted for nearly half of all U.S. gross domestic product growth last year, compared with just 8% in 2023 and 2024. U.S.-based AI startups have raised roughly $578 billion in venture capital since 2020, with nearly three-quarters of that in the past two years.

The North American data center market is setting records for growth as demand surges from AI development, cloud computing, and e-commerce.

For professionals in AI for Real Estate & Construction, understanding these infrastructure shifts is essential. The sector's trajectory will shape everything from property values to workforce planning over the next decade.


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