Public Cloud Market Share

Public Cloud Market Share, Market Size and Industry Growth Drivers, 2018 - 2022

About Public Cloud

The Public Cloud is a set of computing services offered over the Internet by third-party providers. Companies can purchase storage and computational power from cloud vendors instead of setting up a complex IT infrastructure on-premises. Main benefits include simplified control over a company's resources and access to larger storage and power without the need to purchase additional hardware. There are three main models of Public Cloud services available: Software as a Service (SaaS) for apps delivered completely over the Internet; Platform as a Service (Paas) - a framework for developers to create customized applications; and Infrastructure as a Service (IaaS) which allows companies to run practically all of their operations on an off-premise server. You can find Public Cloud Market Size, Public Cloud Market Share, and other trends and statistics below.

Public Cloud Industry Market Size, 2018 - 2022

Public Cloud Market Size

The chart shows the Public Cloud Market Size from 2018 to 2022. In 2019, the size of the Public Cloud Industry was $214.3B and is projected to grow by 16.6% in 2020. From 2018 to 2022 the Public Cloud Industry growth is projected to average 12.6% per year.

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Public Cloud Industry Market Share, 2019
Public Cloud Market Share

The chart shows the Public Cloud Market Share in 2019. The leading Vendor in the Public Cloud Industry was Amazon - AWS with 46% Public Cloud market share in 2019, followed by, Microsoft Azure with 22% market share Google GCP with 12%, Alibaba Cloud Computing with 9%, Oracle - IaaS + PaaS with 4%, Salesforce App Cloud with 4%, Rackspace with 1% and others with 2% market share. View the source for this Public Cloud Market Share chart and other Market Share estimates here.

Public Cloud Growth Drivers

Public Cloud growth is disrupting the IT landscape and becoming mainstream within most organizations. The growth is driven by an increasing realization that Public Cloud is cost-effective and capable of meeting the demands of modern applications and workloads. Companies are working with larger volumes of data which traditional data centers cannot handle. Other Public Cloud Market drivers include benefits associated with these services: online office applications, remote access to IT infrastructure, online document collaboration from multiple locations, and the ability to store non-sensitive content.

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Do Research Firms Agree on Public Cloud Market Share, Size, and Growth?

Market research sources moderately disagree on the Public Cloud Market Size, disagree intensely on the Public Cloud Market Share, and generally disagree on Public Cloud Growth estimates. The cause of disagreement is due to the lack of a standardized definition of Public Cloud and what types of products should be included. Therefore different sources may have very different perspectives of the Public Cloud Market and Public Cloud Industry size. For a complete evaluation of the Public Cloud market, T4 recommends exploring all available sources. T4 aggregated and organized the data from these sources on the T4 Industry Research Platform. See Each source's view of the Public Cloud Market, Public Cloud Market Size, and Public Cloud Market Share on the T4 Platform.

What Additional Public Cloud Data Does T4 Have?

T4 comprehensively aggregated more than 100 reports from more than 40 publishers covering statistics and trends in the Public Cloud Industry. This includes Public Cloud Market Size, Public Cloud Market Share, Revenue by Business Function, and more than 20 additional statistics. The Industry falls under T4's Cloud Computing industry coverage. Industries related to the T4 taxonomy include Hybrid Cloud, Private Cloud, Cloud IT Infrastructure, Cloud Management, Cloud Workloads, Edge Computing, and Fog Computing. Related subcategories of the Public Cloud Industry include Business Process as a Service, Cloud Advertising, Cloud Enablement Services, Cloud Managed Services, Infrastructure as a Service, Platform as a Service, and Software as a Service. You can find reports covering these industries on T4’s Platform.

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