AWS pulls further ahead while Google closes on Azure

Asked:

“Compare the four largest cloud providers by quarterly revenue over the last three years. Just the trend and the gaps between them.”

Estimated worldwide cloud-infrastructure revenue (IaaS, PaaS and hosted private cloud) for AWS, Microsoft Azure, Google Cloud and Alibaba Cloud across 12 calendar quarters, 2023‑Q3 to 2026‑Q2, in USD billions. The market total more than doubles from $68.1B to $143.0B.

Gap to the provider one rank above, per quarter

Findings

AWS's lead over Azure grows from $5.45B in 2023‑Q3 to $11.44B in 2026‑Q2 — srgresearch.com

Google Cloud triples from $6.81B to $21.45B and narrows its gap behind Azure from $8.85B to $7.15B — srgresearch.com

Alibaba stays a distant fourth: its gap behind Google widens from $4.09B to $15.73B — srgresearch.com

The whole market grows fastest at the end: 2026‑Q2 passes $143B, the highest growth rate in eight years — srgresearch.com

Endpoints and change

Provider	2023‑Q3 ($B)	2026‑Q2 ($B)	Change ($B)	Gap to AWS, end ($B)	Source

Estimated provider cloud-infrastructure revenues: each quarter's Synergy Research worldwide market total (IaaS, PaaS, hosted private cloud) multiplied by the provider's rounded market share. Not the providers' reported segments; values approximate with rounding uncertainty. 48 rows, 4 providers × 12 quarters, 2023-Q3 to 2026-Q2, USD billions. Intermediate quarters omitted from the table for space.

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