Big Tech Claims $27 Billion in AI Tax Breaks Under Trump Law

Major tech companies are capturing tens of billions in tax subsidies

Five of America's largest technology companies—Microsoft, Amazon, Alphabet, Meta, and Oracle—paid an effective federal income tax rate of just 4.5 percent on $422 billion in combined U.S. profits in 2025, according to new analysis from the Institute on Taxation and Economic Policy (ITEP).

The group collectively claimed $70 billion in federal tax breaks compared to what they would have paid at the statutory 21 percent corporate rate. Of that total, $27 billion came from accelerated depreciation provisions that allow companies to write off capital investments far faster than the equipment's actual useful life.

Microsoft represents the most extreme case. The company paid just 2.4 percent in federal income tax on $100 billion in U.S. profits, claiming $18 billion in tax breaks. Two-thirds of Microsoft's subsidies came from depreciation provisions tied to capital spending, ITEP found.

How Trump's 2025 tax law amplified the breaks

The tax advantages stem largely from the "One Big Beautiful Bill Act" (OBBBA) signed by President Trump in 2025. The law provides "expensing"—the most aggressive form of accelerated depreciation—allowing companies to immediately deduct the full cost of equipment purchases rather than spreading deductions over the asset's productive lifetime.

While expensing applies broadly, it delivers outsized benefits to companies making massive capital investments in AI infrastructure. These five tech giants spent an estimated $380 billion on capital investments in 2025 and are projected to double that to $755 billion in 2026, according to research cited by ITEP.

The 2025 law also restored a pre-2022 provision letting companies immediately deduct domestic research expenses in the year incurred, even though such spending typically generates returns over many years.

Democrats propose blocking data center subsidies

Congressional Democrats introduced legislation this week to bar AI companies from claiming expensing and Opportunity Zone tax breaks specifically for data center construction. The bill responds to what sponsors view as unnecessary subsidies for infrastructure that would be built regardless of tax incentives.

AI industry leaders have described corporate demand for data centers as "insatiable," suggesting the tax breaks function as windfalls rather than genuine incentives. Public polling shows Americans are skeptical of data centers and concerned about AI's economic and environmental impacts, raising questions about why taxpayers are subsidizing the buildout.

Why it matters

The scale of these tax breaks reveals how federal policy is effectively underwriting the AI infrastructure race at a time when the largest technology companies are already committing record capital. With these firms planning to spend three-quarters of a trillion dollars on AI investments in 2026, the case for additional tax incentives appears weak. The debate over these provisions will test whether Congress views AI development as requiring public subsidy or as a self-sustaining private sector priority that can proceed without preferential tax treatment.

The analysis and figures in this article were first reported by the Institute on Taxation and Economic Policy.