ChatGPT reached 800 million weekly users in just 35 months. The fastest adoption rate ever recorded for a consumer technology.
All data points are verified from official announcements and reputable news sources.
Month & Year | Weekly Active Users | Source |
---|---|---|
November 2022 | 0 | OpenAI (Launch) |
December 2022 | 1,000,000 | Greg Brockman (Twitter) |
November 2023 | 100,000,000 | TechCrunch |
August 2024 | 200,000,000 | Reuters |
December 2024 | 300,000,000 | The Verge |
February 2025 | 400,000,000 | Reuters |
March 2025 | 500,000,000 | Nick Turley (Twitter) |
August 2025 | 700,000,000 | Nick Turley (Twitter) |
October 2025 | 800,000,000 | TechCrunch |
Days from launch (November 30, 2022) to milestone
Each milestone marks a new stage in global AI adoption.
The first leap, from 1 million to 100 million, came as users discovered ChatGPT 3.5's creative potential.
The next jumps followed the release of GPT-4, mobile apps, and enterprise integrations, which transformed it from a novelty into a daily productivity tool.
The 1M-in-5-days milestone remains unmatched, a testament to how generative AI captured mainstream attention faster than any previous technology wave.
Monthly website visits from 5.8 billion in September 2025 — 9.4x growth since launch
Data Source: SimilarWeb
Each significant spike in visits corresponds with key product milestones:
Understanding who uses ChatGPT, age and gender distribution
25-34 years is the largest age group
Data Source: SimilarWeb Demographics
Share of U.S. adults who used ChatGPT as of March 2025
Survey conducted among U.S. adults in March 2025. Work tasks lead the way, followed by learning and entertainment purposes.
Data Source: Pew Research Center via Statista
Common questions about ChatGPT user growth and statistics