UK Social Media Statistics 2026

Social media use in the UK has reached near-universal levels among adults, with approximately 57 million people — 85% of the adult population — using at least one social media platform. The UK spends an average of 2 hours 24 minutes per day on social media, according to Ofcom's Online Nation report.

Facebook remains the most used platform overall with approximately 36 million UK users, though its user base is ageing. TikTok has been the fastest-growing platform, reaching approximately 23 million UK users and dominating under-25 usage.

The Online Safety Act 2023 introduced significant new duties on social media platforms to protect UK users, particularly children. Ofcom is the UK's new online safety regulator with powers to fine platforms up to 10% of global turnover.

How many people use social media in the UK?

Approximately 57 million people in the UK use social media — around 85% of all adults. The most popular platforms are Facebook (36m), Instagram (30m), YouTube (29m), TikTok (23m) and LinkedIn (24m).

How much time do UK adults spend on social media?

UK adults spend an average of 2 hours 24 minutes per day on social media platforms, according to Ofcom data. Young adults aged 18-24 spend significantly more — around 3-4 hours per day.

What social media platforms are most popular in the UK?

Facebook remains most widely used at 36 million UK users. Instagram has 30 million users. TikTok has grown fastest to 23 million users and dominates under-25 usage. X (Twitter) has around 19 million users.

What is the Online Safety Act?

The Online Safety Act 2023 places legal duties on social media companies to protect users from harmful and illegal content. Ofcom can impose fines of up to 10% of global annual turnover or £18 million for breaches.

Is social media use harmful to mental health?

Research is mixed. Some studies link heavy social media use to depression and anxiety, particularly in teenage girls. Others find positive effects including social connection. The government's consultation on smartphone bans in schools resulted in guidance discouraging phone use in the classroom.