RTHK's seven radio channels provide a comprehensive range of programmes in Cantonese, Putonghua and English. The station also collaborates with community groups in promoting charity projects and civic education campaigns.

In the 2000 radio diary survey conducted by AC Nielsen, RTHK's Radios 2 and 1 were the first and third most listened to channels in the territory, with listening figures at 1 600 000 and 1 289 000 respectively.