Under the RAJAR

Where do radio listening figures come from?

How many people listen to the radio? What do they listen to?

These are major questions for radio broadcasters and advertisers. Different programmes and stations are battling for listeners.

Journalists often write about radio listening statistics with total certainty. For example, a Music Week article claimed:

As for Chris Evans, he was… up! The former Radio 2 presenter added 3000 listeners as his Virgin Radio breakfast show edged up from 1,111,000 to…