Research from radio listener body RAJAR shows that more and more people are listening to radio – with increasing numbers continuing to switch over to online platforms such as the web or apps written for iPhones or Android mobiles.

RAJAR figures for Quarter 2, 2013 show 91% of the adult population are listening to radio, with 1.5 million more since this time last year.

Average hours remains static at 21.3 per week, and the share of all radio listening via digital methods, including online and phone apps, now stands at 36.8% compared with 34.3% last quarter.

Listening via a mobile phone continues to rise from 20% of adults last quarter to 24% this time round.

Radio listening share via online/apps has now overtaken radio listening on Digital TV for the first time. Share of radio listening online and via apps on mobile devices grew by 31% year on year to a record 6% of total listening hours.

Phoenix FM has tripled the number of online listeners in the last 12 months thanks to the introduction of its own dedicated apps, available free of charge from Apple’s App Store and Google Play.

RAJAR’s website is at rajar.co.uk.