Ymchwil, ystadegau a data

Ofcom’s open data is a mix of data from or about the companies we regulate in the communications sector, and the citizens and consumers who use them.

Ofcom has commissioned a survey among employees responsible for online safety in 125 micro, small, medium, and large online services that support user-to-user interactions, allow users to access, post, or share pornographic content, or function as search engines, in order to explore how regulated services are responding to the Act.

The Children's Passive Online Measurement study explores the websites and apps visited by UK children aged 8-14 and how long was spent on the services visited.

Data on which UK telephone numbers are available for allocation or are allocated, and lists of codes for use in number porting and other administrative tasks.

Yearly reports on Ofcom's measurements of electromagnetic fields (EMF) near mobile phone base stations. Here you can find a test report for each location we have visited.

Ofcom's statistical release calendar lists the Official Statistics we are due to publish in 2026.

A notice explaining how, in support of our online safety research, Ofcom will sometimes create accounts with fictional personas.

Fel rheoleiddiwr cyfathrebiadau’r DU, mae Ofcom yn cael cwynion gan gwsmeriaid am eu gwasanaethau llinell dir, band eang sefydlog, ffôn symudol talu’n fisol, a theledu drwy dalu.

Mae adroddiad blynyddol Ofcom ar Gyfryngau’r Genedl ar gyfer y diwydiant, llunwyr polisi, academyddion a defnyddwyr. Ein prif amcanion yw i gofnodi newidiadau yn ymddygiadau defnyddwyr a thueddiadau allweddol yn y sector cyfryngau, a nodi sut mae cynulleidfaoedd yn cael eu gwasanaethu yn y DU.

The annual Public Service Media tracker explores UK adults’ satisfaction, attitudes and opinions towards Public Service Broadcasters as well as their on-demand services.

Every quarter we publish key performance results for the two main ADR schemes, CISAS and Communications Ombudsman.

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Mae’r adolygiad blynyddol hwn yn parhau â'r gyfres o adroddiadau mewnwelediad marchnad flynyddol a gyhoeddwyd yn flaenorol gan y PSA.

We issuing a clarification to make clear that the list of public interest exceptions in our guidance is not exhaustive.

A dedicated page compiling data on experiences of age assurance, VPN use, and attitudes towards Protection of Children measures.

Ofcom has commissioned a survey of UK internet users aged 16+ who self‑report having accessed pornographic content online, to understand how they access such content and their past experiences with age checks.

A randomised controlled trial testing retention of defaults for children and adults

This page provides an overview of, and links to, the findings from Ofcom's recent research on the online advertising ecosystem. The research was conducted to help inform our understanding of online advertising and supported the development of the draft Fraudulent Advertising Codes of Practice.

This report details research conducted by Ofcom’s Behavioural Insight Hub to examine how platform design within advertising functionalities influences user (including advertiser) behaviour and the risks associated with fraudulent advertising through a behavioural audit.

Ofcom has commissioned a survey of UK adults aged 18+ about their experiences of encountering hateful content online over the last 12 months.

Ofcom has published a research report looking at adult internet users’ attitudes to seeing sensitive and harmful types of online content, and online tools and features that could help them with navigating this content. The research contributes to our evidence base and related policy development for online safety and media literacy.

Ofcom has commissioned research with adults and professionals to improve its understanding of how adults engage with and are affected by suicide, self-harm and eating disorder content.

Ers sefydlu Ofcom yn 2003 mae llythrennedd yn y cyfryngau wedi bod yn rhan bwysig o’i rôl, pan gyfarwyddodd y Ddeddf Cyfathrebiadau Ofcom i ymchwilio a hyrwyddo llythrennedd yn y cyfryngau ledled y DU. Mae'r cyhoeddiad hwn yn nodi carreg filltir arwyddocaol fel mynegiad cyhoeddus cyntaf Ofcom o strategaeth llythrennedd yn y cyfryngau aml-flwyddyn mewn 20 mlynedd.

Our Communications Market Report (CMR) provides data and commentary on key market developments in the UK communications sector.

Data collected from industry by Ofcom, data from Ofcom’s consumer research, and headline figures from selected third parties for the 2026 communications market data report.

A list of the programmes produced by the PSBs outside the M25, and criteria against which each programme qualifies as made outside London.

This page provides an overview and links to the findings from our research with adults and children aged 13-17, exploring their experiences of, and opinions about, online communities.