With approximately ** percent market share, Amazon Web Services was the leading provider in the global public cloud Infrastructure as a Service (IaaS), System Infrastructure as a Service (SISaaS), and Platform as a Service (PaaS) market in 2020. Microsoft was the second-largest company in the market, with a share of almost ** percent.
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IDC. (May 13, 2021). Public cloud IaaS, SISaaS & PaaS market share worldwide from 2019 to 2020, by vendor [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1184406/iaas-paas-vendor-market-share-ranking-worldwide/
IDC. "Public cloud IaaS, SISaaS & PaaS market share worldwide from 2019 to 2020, by vendor." Chart. May 13, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1184406/iaas-paas-vendor-market-share-ranking-worldwide/
IDC. (2021). Public cloud IaaS, SISaaS & PaaS market share worldwide from 2019 to 2020, by vendor. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1184406/iaas-paas-vendor-market-share-ranking-worldwide/
IDC. "Public Cloud Iaas, Sisaas & Paas Market Share Worldwide from 2019 to 2020, by Vendor." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 May 2021, /statistics/1184406/iaas-paas-vendor-market-share-ranking-worldwide/
IDC, Public cloud IaaS, SISaaS & PaaS market share worldwide from 2019 to 2020, by vendor ÌÇÐÄÆƽâ°æ, /statistics/1184406/iaas-paas-vendor-market-share-ranking-worldwide/ (last visited July 31, 2026)
Public cloud IaaS, SISaaS & PaaS market share worldwide from 2019 to 2020, by vendor [Graph], IDC, May 13, 2021. [Online]. Available: /statistics/1184406/iaas-paas-vendor-market-share-ranking-worldwide/
