Enterprise cloud infrastructure spending hits $143 billion in Q2 2026, driven by AI surge

Enterprise spending on cloud infrastructure services reached $143 billion in the second quarter of 2026, marking a year-on-year increase of more than $43 billion, according to new research from Synergy Research Group. This marks the 11th consecutive quarter of accelerated growth, with the market doubling in size over that period.

The sustained expansion is being fueled primarily by generative AI, which has become the dominant force reshaping demand for cloud capacity. Synergy's findings show that generative AI-specific cloud services are growing at 165 percent year-on-year, while AI capabilities are also enhancing functionality and driving growth across a broader range of cloud offerings.

Amazon continued to lead the market with a 28 percent share, followed by Microsoft at 20 percent and Google at 15 percent. Synergy also tracked a "tier two" group of cloud providers—including CoreWeave, OpenAI, Oracle, Crusoe, Nebius, Anthropic, and Nscale—all of which recorded high growth rates during the quarter.

Geographically, growth was strong across all regions, with India, Indonesia, Ireland, Thailand, and Malaysia all exceeding the worldwide average. The United States remains the largest cloud market and grew by 49 percent in Q2, also above the global average. In Europe, Norway, Denmark, and Finland emerged as fast-growing markets.

"The accelerated cloud growth rate over the last three years, and in particular over the last four quarters, has been quite remarkable," said John Dinsdale, chief analyst at Synergy Research Group. "AI technology has lit a fire under the cloud market and is now driving unprecedented growth. Generative AI-specific cloud services are growing at 165 percent year-on-year, but equally importantly, AI technology is enabling enhanced functionality and increased growth across a much broader range of cloud services. It is also interesting to note that in the last two quarters, the US share of the worldwide market has increased, reflecting the huge buildout of US infrastructure by both hyperscale cloud operators and neoclouds."

The findings underscore how deeply AI investment is reshaping the cloud landscape, with hyperscalers and specialized AI-focused providers alike racing to expand capacity. The continued strength in the US market, in particular, points to a sustained capital expenditure cycle among major cloud operators, a trend that is likely to have far-reaching implications for data center development, energy demand, and the broader technology supply chain.