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In December 2025, adults aged 25 to 34 made up the largest audience segment on Facebook in the United Kingdom, accounting for **** percent of all users. By gender, women represented **** percent of the platform’s user base.

Dip in overall user numbers

As of January 2025, there were over 55.9 million Facebook users in the UK, up from million in September 2018, according to napoleoncat.com. However, since a peak of **** million users in May 2022, Facebook's audience has decreased slightly. Facebook’s user number issues have not just been limited to the United Kingdom, with figures released by the company highlighting issues in several key markets. There was a small growth in Europe from the first quarter of 2019 to the first quarter of 2020. The company counted *** million daily active users (DAU) in Europe during the first quarter of 2020.

Facebook United Kingdom key source of European revenue

Facebook UK Limited generated approximately *** million British pounds in revenue during 2015, a figure that skyrocketed  to *** million British pounds in 2016. According to Facebook UK, this was the results of the company commencing advertiser reseller services in April 2016. In 2019, Facebook UK Limited revenue reached roughly * British pounds. In the third quarter of 2024, the company’s total European revenue reached over **** billion U.S. dollars