US tech spend, including CIO staff spending, will reach $2.6 trillion in 2025, with robust 5.6% growth driven by cybersecurity, cloud, and generative AI (genAI). Helped by the growth of genAI, 63% of US tech spend in 2024 will come from financial services and insurance, government, media and information, and professional and business services. GenAI opens new opportunities in enterprise productivity, industrial automation, tech vendor workforce optimization, and cybersecurity vendor consolidation. This report details US tech spend growth by category and industry for 2024 to 2029.