Sources

Every number on this site, and where it came from. Survey figures describe U.S. adults. User counts are each company's own worldwide figures. All of them were checked against these sources on October 8, 2026.

1. BrightLocal

   Half of consumers are asking AI for business recommendations (opens in a new tab)

   Published Mar 10, 2026. Survey of 1,002 U.S. adults, 2026.

   • 45% of U.S. consumers used AI tools like ChatGPT to find a local business in the past year (up from 6% the year before)
   • Chart: Who asks AI to recommend a local business (Ages 30 to 44 64%, All U.S. adults 45%, Over 60 24%)
   • Chart: Which AI tools people used (Any AI tool 45%, ChatGPT 31%, Google AI Mode 23%)
   • 88% of people using AI to find a business said they check its answer

2. Pew Research Center

   Google users are less likely to click on links when an AI summary appears in the results (opens in a new tab)

   Published Jul 22, 2025. Browsing data from 900 U.S. adults, March 2025.

   • 8% vs 15% how often Google users clicked a regular result when an AI summary appeared, compared with when it didn't
   • Chart: What people do when Google shows an AI summary (clicked a regular search result: 15% without, 8% with; ended their browsing session there: 16% without, 26% with)
   • 1% of visits with an AI summary included a click on a link inside it
   • 18% of Google searches showed an AI summary

3. Google

   Google Search's I/O 2026 updates: AI agents and more (opens in a new tab)

   Published May 19, 2026. Google's own count of monthly users, worldwide.

   • 1 billion+ people a month use Google's AI Mode, a year after it launched

4. OpenAI

   Scaling AI for everyone (opens in a new tab)

   Published Feb 27, 2026. OpenAI's own count of weekly active users, worldwide.

   • ChatGPT weekly users: 900M on Feb 27, 2026

5. OpenAI

   DevDay 2026 Recap (opens in a new tab)

   Published Sep 29, 2026. OpenAI's own count of weekly users across its products, worldwide.

   • 1.2 billion weekly users across OpenAI's products, September 2026

6. TechCrunch

   OpenAI's ChatGPT now has 100 million weekly active users (opens in a new tab)

   Published Nov 6, 2023. Announced by OpenAI's CEO at DevDay 2023.

   • ChatGPT weekly users: 100M on Nov 6, 2023

7. The Verge

   Report: ChatGPT passes 200 million weekly users (confirmed by OpenAI) (opens in a new tab)

   Published Aug 29, 2024. Confirmed by an OpenAI spokesperson.

   • ChatGPT weekly users: 200M on Aug 29, 2024

8. CNBC

   OpenAI's active user count soars to 300 million people per week (opens in a new tab)

   Published Dec 4, 2024. Announced by OpenAI's CEO.

   • ChatGPT weekly users: 300M on Dec 4, 2024

9. CNBC

   OpenAI tops 400 million users despite DeepSeek's emergence (opens in a new tab)

   Published Feb 20, 2025. OpenAI's chief operating officer, to CNBC.

   • ChatGPT weekly users: 400M on Feb 20, 2025

10. TechCrunch

    Sam Altman says ChatGPT has hit 800M weekly active users (opens in a new tab)

    Published Oct 6, 2025. Announced by OpenAI's CEO at DevDay 2025, with OpenAI's March and August 2025 figures.

    • ChatGPT weekly users: 500M on Mar 31, 2025
    • ChatGPT weekly users: about 700M on Aug 4, 2025
    • ChatGPT weekly users: 800M on Oct 6, 2025