Key stat: ChatGPT's US unique visitor count grew 76% YOY, climbing from 41.5 million in January 2025 to 72.9 million in January 2026, according to a March report from Comscore.

Beyond the chart:

• The audience surge tracks with a broader shift in consumer sentiment. Some 68% of consumers now view generative AI favorably, up from 62% in 2024, per Kantar Media Reactions 2025.
• Meanwhile, that scale is already moving product. Some 55% of US adults say AI-powered search partly, mainly, or exclusively helped them make a purchase in consumer electronics, per McKinsey.

Use this chart: Drop this in your next AI strategy or media planning meeting to show how fast ChatGPT's US audience has scaled. Use the YoY growth to benchmark where consumer AI adoption actually stands, and make the case for why ChatGPT belongs in your brand's digital reach strategy.

Related EMARKETER reports:

• Will ChatGPT Become the West's First Super App? (EMARKETER subscription required)
• AI Commerce 2026 (EMARKETER subscription required)

We prepared this article with the assistance of generative AI tools and stand behind its accuracy, quality, and originality.