RAJAR stands for Radio Joint Audience Research and is the official body in charge of measuring radio audiences in the UK. It is jointly owned by the BBC and the RadioCentre on behalf of the commercial sector.
There are currently approximately 320 individual stations on the survey and results are published every quarter.
Learn more about how the survey is conducted.
RAJAR Ltd has appointed Jerry Hill as chief executive officer.
RAJAR publishes headline trends following publication of the results for Q1 2010.
From Q1 2010, RAJAR is trialing an earlier media embargo time.
View the free report to see how many people listen to a station, and for how long.
For a detailed breakdown, including audience by timeband or per demographic, become a subscriber.
