How big is the cloud computing market in 2026?

Amazon launched S3 (storage) in March 2006 and EC2 (compute) that August, popularizing “cloud computing” in the commercial sense the term still carries. Twenty years on, the numbers no longer look like a fad by any definition — they look like a utility.

The market today, in numbers

Figures below are drawn from company earnings disclosures and cloud-market trackers as of 2026; exact market-share numbers vary somewhat by research firm and methodology, which is itself a useful reminder that “the cloud” is still a young enough industry that nobody fully agrees how to measure it.

• ~$918BEstimated global cloud computing market size in 2026, on pace to cross $1 trillionSource: industry market trackers, 2026
• $129BGlobal cloud infrastructure spending in Q1 2026 alone — up 35% year over yearSource: Synergy Research Group
• $455B+Trailing twelve-month cloud infrastructure revenue run rate as of Q1 2026Source: Synergy Research Group
• ~67%Combined market share held by AWS, Microsoft Azure, and Google CloudSource: Synergy Research Group, Q1 2026
• $37.6BAWS revenue in Q1 2026 alone (three months), up 28% year over yearSource: Amazon earnings disclosure
• $75BMicrosoft Azure's full-year FY2025 revenue; growing roughly 40% year over year as of early 2026Source: Microsoft earnings disclosure
• 63%Google Cloud's year-over-year revenue growth in Q1 2026 — its fastest quarter on record, after two decades of tryingSource: Alphabet earnings disclosure
• 29%Share of cloud budgets still estimated to go to waste in 2026 — some things about renting infrastructure you don't fully understand apparently never changeSource: Flexera, 2026 State of the Cloud Report