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Public cloud services market size 2017-2022

The worldwide public cloud computing market continues to grow and is expected to reach an estimated 397 billion U.S. dollars in 2022. This encompasses business processes, platform, infrastructure, software, management, security, and advertising services delivered by public cloud services. A public cloud is a cloud deployment model that offers computing services over the internet. The physical hardware of this cloud model is shared by multiple companies. The services offered to customers include storage, bandwidth, or CPU cycles.

Public clouds are cost-effective

Among the many benefits of a public cloud is that services are offered to the customer through a pay-as-you-go model. This means that no upfront investments must be made which otherwise lead to running costs for maintaining on-premise hardware and application infrastructure. Instead, the cloud service provider ensures proper management and maintenance of the system and the customer only pays for services consumed.

AWS, Azure and Google are dominating the market

Key companies offering public cloud platforms to customers are Amazon Web Services, Microsoft Azure, and Google Cloud. Their preeminence on the market is demonstrated by organizations’ plans to continually migrate their data to the cloud and use cloud applications for their business operations on a global scale.

Public cloud services end-user spending worldwide from 2017 to 2022

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Release date

April 2021



Survey time period

2017 to 2021

Supplementary notes

* Forecast
The cloud advertising segment was removed from Gartner's public cloud services forecast segments starting from 2017.

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Statistics on "Cloud computing in the United Kingdom (UK)"

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