New Delhi, July 27 (IANS) Worldwide information technology (IT) spending is projected to reach $6.37 trillion in 2026, a 14.2 per cent increase from 2025, as investments in artificial intelligence (AI) infrastructure, cloud platforms and intelligent applications continue to accelerate, according to a report released on Monday. Spending on data centre systems and Infrastructure as a Service (IaaS) will record the fastest growth, reflecting rising demand for AI infrastructure and high-performance computing, as per analysis of Gartner, Inc. IaaS spending is projected to grow 29.3 per cent to $287 billion, while software spending is expected to rise 15.5 per cent to $1.47 trillion. While device spending is forecast to increase nearly 10 per cent to $868 billion, services spending is expected to grow about 5 per cent to $1.57 trillion and communications services spending is projected to rise 4.4 per cent to $1.35 trillion. Moreover, organisations are accelerating investments in AI-optimised servers, cloud platforms and AI-ready software as they scale enterprise AI deployments, making AI infrastructure and software the fastest-growing areas of global IT spending the report said.