Infrastructure as a Service (IaaS) - Statistics & Facts

In other words, the customer does not hold responsibility for maintaining or developing these resources but instead is free to focus on managing higher-level resources, such as the platform, the operating system, or the necessary software. In this way, customers pay only for what they consume. At the same time, providers are free to sell unused resources, leading to a substantial opportunity for cost savings and efficiency gains for both sides.

IaaS market size

IaaS accounted for over a quarter of the overall cloud computing market in 2020. Public cloud IaaS revenues are expected to rise significantly over the coming years, from around 50 billion U.S. dollars in 2020 to more than 156 billion U.S. dollars by 2023. However, the cloud infrastructure market share is expected to decrease in favor of the promising development of the PaaS market. Nonetheless, the largest segment in the overall cloud computing market is and will continue to be SaaS, with more than 208 billion U.S. dollars in annual revenue.

Major IaaS vendors and providers

In the IaaS market, the largest companies by revenue are Amazon (Web Services), Microsoft (Azure), and Google (Compute Engine), as well as the Chinese multinational technology company Alibaba. Despite Amazon being the largest vendor of cloud infrastructure by some margin, its hold over the market may lessen as Google and Microsoft make headway, with surveys suggesting cloud services companies are fighting for a piece of the cloud IaaS market.
The major hardware IT infrastructure providers for the IaaS cloud market are Dell, HPE, Inspur, Cisco, and Lenovo, representing around 45 percent of the market combined. Original design manufacturers also play a significant role in the market, making up around one-third of the total market.

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