OpenAI’s ChatGPT recently set an unprecedented record with 1 in 5 UK internet users using the platform.

Our UKOM endorsed Ipsos iris platform shows that in February 2025:

👨‍👨 More users of OpenAI are men (5.4m monthly users), but women are close behind (4.1m).

👩However, female visitors to OpenAI grew by 145% over 2024, higher than males (+98%).

🧒The largest number of OpenAI users are aged 15-24 (3.2m).

🏙️The city with the greatest reach in the UK for OpenAI is London, where 30% of Londoners accessed the website or app in February.

🧒‍🏙️57% of all Londoners aged 15-24s used OpenAI in February.

Ana Klafke has explored this in her recent op-ed on behalf of Ipsos and published in UKTN: https://www.uktech.news/opinion/one-in-five-internet-users-used-openai-last-month-a-new-record-20250507

OpenAI continues to grow, reaching a new peak of 9.5 million in February
The largest number of OpenAI users are men; but women saw the biggest percentage rise
The largest number of OpenAI users are 15-24; but 45-54 saw the biggest percentage rise
OpenAI has by far the biggest reach in London
More than half of all 15-24 year-old internet users in London used OpenAI in February