The 2026 AI Index Report from the Stanford Institute for Human-Centered Artificial Intelligence documents a sharp acceleration in artificial intelligence investment and business adoption across the United States. According to the report's economy chapter, US private AI investment reached $285.9 billion in 2025, more than 23 times the $12.4 billion in comparable private investment recorded in China.

The United States also led in entrepreneurial activity, with 1,953 newly funded AI companies in 2025, more than 10 times the count of the next closest country. Global corporate investment in artificial intelligence more than doubled during the year.

Adoption figures climbed alongside investment. Organizational AI adoption reached 88 percent, with generative AI now used in at least one business function at 70 percent of organizations surveyed. The report cites measured productivity gains of 14 to 15 percent in customer support, 26 percent in software development, and 50 percent in marketing output where AI tools have been deployed.

Labor market data reflects the same trajectory. AI-related skills are now explicitly requested in 2.5 percent of all US job postings, a 297 percent increase over the past decade. On the consumer side, generative AI reached 53 percent population adoption within three years of introduction, a faster uptake than the personal computer or the internet, and estimated US consumer surplus from the technology reached $172 billion annually by early 2026, up from $112 billion a year earlier.

Source: Stanford HAI AI Index -- https://hai.stanford.edu/ai-index/2026-ai-index-report/economy