The statistic shows the level of spending on public cloud infrastructure worldwide, both hardware and software, by segment, from 2015 to 2026. In 2017, spending on public cloud Infrastructure as a Service hardware and software is forecast to reach ** billion U.S. dollars worldwide. Amazon holds the largest IaaS market share among vendors, with **** percent of the market as of the first half of 2015. Infrastructure as a Service generally describes the provision of virtualized storage and servers over the internet. The service provider generally hosts the users' applications, development tools, and operating systems, while conducting maintenance, backup, and resiliency tasks.
* Forecast.
The source suggests that a portion of Software as a Service (SaaS) and Platform as a Service (PaaS) spending should be attributed to infrastructure. Therefore, the SaaS/PaaS spending portion represents 15 percent of PaaS/SaaS forecasts.
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Wikibon. (February 1, 2016). Public cloud Infrastructure as a Service (IaaS) hardware and software spending from 2015 to 2026, by segment (in billion U.S. dollars) [Graph]. In Statista. Retrieved July 13, 2025, from https://www.statista.com/statistics/507952/worldwide-public-cloud-infrastructure-hardware-and-software-spending-by-segment/
Wikibon. "Public cloud Infrastructure as a Service (IaaS) hardware and software spending from 2015 to 2026, by segment (in billion U.S. dollars)." Chart. February 1, 2016. Statista. Accessed July 13, 2025. https://www.statista.com/statistics/507952/worldwide-public-cloud-infrastructure-hardware-and-software-spending-by-segment/
Wikibon. (2016). Public cloud Infrastructure as a Service (IaaS) hardware and software spending from 2015 to 2026, by segment (in billion U.S. dollars). Statista. Statista Inc.. Accessed: July 13, 2025. https://www.statista.com/statistics/507952/worldwide-public-cloud-infrastructure-hardware-and-software-spending-by-segment/
Wikibon. "Public Cloud Infrastructure as a Service (Iaas) Hardware and Software Spending from 2015 to 2026, by Segment (in Billion U.S. Dollars)." Statista, Statista Inc., 1 Feb 2016, https://www.statista.com/statistics/507952/worldwide-public-cloud-infrastructure-hardware-and-software-spending-by-segment/
Wikibon, Public cloud Infrastructure as a Service (IaaS) hardware and software spending from 2015 to 2026, by segment (in billion U.S. dollars) Statista, https://www.statista.com/statistics/507952/worldwide-public-cloud-infrastructure-hardware-and-software-spending-by-segment/ (last visited July 13, 2025)
Public cloud Infrastructure as a Service (IaaS) hardware and software spending from 2015 to 2026, by segment (in billion U.S. dollars) [Graph], Wikibon, February 1, 2016. [Online]. Available: https://www.statista.com/statistics/507952/worldwide-public-cloud-infrastructure-hardware-and-software-spending-by-segment/
