Cloud computing infrastructure spending was about $60 billion for the 12 months ending in September 2015, according to Synergy Research Group, growing 28 percent annually.
About $47 billion was earned by sales of various cloud services.
Service revenues included $20 billion for cloud infrastructure services (IaaS, PaaS, private and hybrid services) and $27 billion from software as a service.
Public infrastructure as a service and platform as a service had the highest growth rate at 51 percent, followed by private and hybrid cloud infrastructure services at 45 percent.
Private cloud spending grew 16 percent.