Big Tech’s AI Push Could Outpace 19th‑Century Railroads

A recent study by a leading real‑estate firm says that the current wave of artificial intelligence (AI) development might surpass the scale of railroad expansion in the 1850s. The research points to a projected $3. 7 trillion investment by major tech giants—Google, Amazon and Microsoft—in AI infrastructure over the next five years. This spending could position the United States to stay competitive in a growing global economy, according to the firm’s senior research director. The report is part of a four‑part series on AI that began with an analysis of its impact on workers and the broader economy. The next installment will look at how AI reshapes demand for office space. The study highlights that almost 80 % of American companies are already using AI, yet about 90 % say it has barely affected their businesses. The data suggest we are only beginning to see AI’s full influence on the workforce. One key finding is that entry‑level jobs most exposed to AI have seen lower employment growth in recent years compared with less AI‑intensive roles. Critics worry about job loss, while others see new career paths emerging—much like the tech jobs that didn’t exist a quarter of a century ago.

Surveys from Pew, Brookings and Gallup show mixed feelings: many workers fear job cuts, yet a sizable group sees AI as a route to better positions. Studies also note that college students are reconsidering majors due to uncertainty about AI’s future role. Despite concerns, the research stresses that job composition will change more than job quantity. New roles are expected to replace old ones, especially in data‑center and industrial real estate sectors. Construction of data centers is currently twelve times higher than it was in 2020, and manufacturing leasing has risen by 28 % since early 2025. U. S. AI startups have attracted about $578 billion in venture capital since 2020, with three‑quarters of that funding arriving in the last two years. Last year’s AI build‑out contributed nearly half of total U. S. GDP growth, compared with only 8 % in the following two years. Overall, the research compares AI’s current surge to past technological revolutions such as the internet and smartphones. It predicts that office‑using jobs will grow, though less dramatically than in previous waves. The most immediate effect is seen in data‑center and industrial real estate, where demand remains steady, especially in major talent hubs.

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