Ymchwil, ystadegau a data

Dolenni cyflym

Calendrau datganiadau ystadegol
Data agored
Mewnwelediadau economeg
Mewnwelediadau ymddygiadol

Boosting Children's Safety Online: User Controls

Cyhoeddwyd: 24 Ebrill 2025

This page contains details of an online randomised control trial to test different ways to encourage children to choose to use content controls to restrict exposure to harmful content during the sign-up process of a mock social media platform.

Ymgynghori â phlant am ddiogelwch ar-lein

Cyhoeddwyd: 16 Rhagfyr 2024

Diweddarwyd diwethaf: 24 Ebrill 2025

Mae Ofcom wedi bod yn ymgynghori â phlant i gael gwybod eu barn am gynigion Ofcom i wella diogelwch ar-lein.

ADR schemes' performance

Cyhoeddwyd: 26 Ionawr 2024

Diweddarwyd diwethaf: 23 Ebrill 2025

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

Statistical release calendar 2025

Cyhoeddwyd: 5 Rhagfyr 2024

Diweddarwyd diwethaf: 23 Ebrill 2025

Ofcom's statistical release calendar lists the Official Statistics we are due to publish in 2025.

Experiences of using online services

Cyhoeddwyd: 16 Chwefror 2024

Diweddarwyd diwethaf: 23 Ebrill 2025

The Online Experiences Tracker is a quantitative tracking survey that examines people's attitudes to, and experiences of using online services.

Arolwg: Cymhariaeth Lles Ar-lein a Phersonol

Cyhoeddwyd: 17 Ebrill 2025

Cynhaliwyd yr arolwg Cymhariaeth Lles gan YouGov ar ran Ofcom. Amcan craidd yr astudiaeth hon oedd asesu sut mae oedolion y DU yn gweld eu boddhad cyffredinol, weithgareddau gweth chweil, hapusrwydd a gorbryder yn eu bywydau personol a phan fyddant yn mynd ar-lein.

Open data

Cyhoeddwyd: 27 Tachwedd 2023

Diweddarwyd diwethaf: 17 Ebrill 2025

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.

Download numbering data

Cyhoeddwyd: 13 Mawrth 2024

Diweddarwyd diwethaf: 16 Ebrill 2025

We publish 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.

Adroddiadau’r cenhedloedd 2024

Cyhoeddwyd: 15 Ebrill 2025

Mae'r adroddiadau hyn yn archwilio argaeledd gwasanaethau band eang a symudol ym mhob un o wledydd y DU.

Telecommunications Market Data Update

Cyhoeddwyd: 22 Hydref 2020

Diweddarwyd diwethaf: 10 Ebrill 2025

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

Statistical release calendar 2025: Pre-release access lists

Cyhoeddwyd: 5 Rhagfyr 2024

Diweddarwyd diwethaf: 9 Ebrill 2025

In accordance with the conditions for pre-release access to Official Statistics set out in the DCMS statement of compliance, named officials can receive privileged early access to Official Statistics.

Rhwystrau i Brofi Oedran ar Wefannau i Oedolion

Cyhoeddwyd: 6 Tachwedd 2023

Diweddarwyd diwethaf: 7 Ebrill 2025

Digital adoption and digital disadvantage today: what has changed, and what barriers remain?

Cyhoeddwyd: 4 Ebrill 2025

In our rapidly evolving digital landscape, many essential services either already exist online or are moving online, leaving less opportunity to engage with them offline. As technologies and business models continue to develop, there is ever greater need for people to be equipped to use and depend on the internet and online services.

Ymchwil i Anfantais Ddigidol

Cyhoeddwyd: 2 Ebrill 2025

Ymchwil am y rhyngrwyd ac anfantais ddigidol. Mae’r adroddiadau hyn yn archwilio proffil pobl nad oes ganddynt neu nad ydynt yn defnyddio’r rhyngrwyd gartref a phrofiadau bywyd pobl sy’n gallu wynebu heriau unigryw wrth ymgysylltu â chyfathrebiadau a gwasanaethau digidol.

Cynllun Tair Blynedd Ofcom 2025-2028

Cyhoeddwyd: 28 Mawrth 2025

Mae Cynllun Tair Blynedd Ofcom yn nodi ein prif brosiectau a rhaglenni hyd at 2028.

Diweddariad Cysylltu'r Gwledydd: Gwanwyn 2024

Cyhoeddwyd: 24 Ebrill 2024

Diweddarwyd diwethaf: 28 Mawrth 2025

Dyma ddiweddariad dros dro i'n hadroddiad blynyddol Cysylltu’r Gwledydd diwethaf, fu'n seiliedig ar ddata a gasglwyd ym mis Medi 2023. Mae’r adroddiad hwn yn seiliedig ar argaeledd band eang sefydlog a darpariaeth symudol yn y DU ym mis Ionawr 2024.

Data downloads

Cyhoeddwyd: 2 Ionawr 2024

Diweddarwyd diwethaf: 28 Mawrth 2025

We have made some of the data that underpins the Connected Nations 2023 report available to download. This data allows us to make year-on-year comparisons of the state of the UK’s communications infrastructure.

Data downloads 2024

Cyhoeddwyd: 5 Rhagfyr 2024

Diweddarwyd diwethaf: 28 Mawrth 2025

We have made some of the data that underpins the Connected Nations 2024 report available to download. This data allows us to make year-on-year comparisons of the state of the UK’s communications infrastructure.

Electromagnetic field measurements near mobile base stations

Cyhoeddwyd: 23 Chwefror 2024

Diweddarwyd diwethaf: 27 Mawrth 2025

Ofcom measures electromagnetic fields (EMF) near mobile phone base stations. We have been taking these measurements for many years, gradually covering more and more locations across the UK.

Sut mae llwyfannau rhannu fideos yn amddiffyn plant rhag dod ar draws fideos niweidiol

Cyhoeddwyd: 14 Rhagfyr 2023

Diweddarwyd diwethaf: 21 Mawrth 2025

Sut mae TikTok, Twitch a Snap yn ceisio atal plant rhag gwylio fideos a allai fod yn niweidiol.

Understanding what people in the UK need from public service media

Cyhoeddwyd: 13 Tachwedd 2023

Diweddarwyd diwethaf: 13 Mawrth 2025

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

Drive route map

Cyhoeddwyd: 30 Mai 2023

Diweddarwyd diwethaf: 7 Mawrth 2025

Alongside our 4G- and 5G-specific signal strength measurement data, we have published a map showing the routes our spectrum assurance vehicles have taken along roads in the United Kingdom.

Made outside London TV programming

Cyhoeddwyd: 8 Tachwedd 2023

Diweddarwyd diwethaf: 7 Mawrth 2025

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

Mobile signal strength measurement data from our spectrum assurance vehicles

Cyhoeddwyd: 7 Mawrth 2024

Diweddarwyd diwethaf: 7 Mawrth 2025

We have been compiling the 4G- and 5G-specific signal strength measurement data that our spectrum assurance vehicles capture along roads in England, Scotland and Wales.

Communications Affordability Tracker

Cyhoeddwyd: 27 Chwefror 2024

Diweddarwyd diwethaf: 28 Chwefror 2025

Our latest research into the affordability of home broadband, mobile phone, landline and pay TV services.

Making Sense of Media Bulletin: February 2025

Cyhoeddwyd: 29 Ionawr 2024

Diweddarwyd diwethaf: 27 Chwefror 2025

Ofcom's Making Sense of Media bulletin summarises media literacy activities by a range of organisations in the UK and overseas.

A teachable moment: opportunities, gaps and next steps from our review of Media literacy training for teachers

Cyhoeddwyd: 27 Chwefror 2025

A teachable moment: opportunities, gaps and next steps from our review of Media literacy training for teachers.

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