Cyhoeddwyd:
25 Medi 2018
Diweddarwyd diwethaf:
16 Mawrth 2023
This document provides a summary of the key data sources used in the Communications Market Report including:
- Ofcom’s regular tracker research
- Audience measurement across media (TV, radio, and online)
- Data collected from stakeholders
- Third-party data sources
It also provides a glossary of the key terms used in the report.
The Communications Market 2018: Methodology and glossary (PDF, 224.2 KB)