Radio Citizen is Kenya's largest national radio station, broadcasting in Kiswahili since 1999. Owned by Royal Media Services, it has the widest coverage across the country with multiple transmission sites. The station targets the general public with programming designed to inform and entertain on various aspects of life.

Radio Citizen offers a mix of news, features, talk shows, and African music. Some of its popular programs include "Jambo Kenya", "Chapa Kazi", and "Roga Roga". The station aims to appeal to all citizens, from school children to senior citizens.

In 2018, Radio Citizen unveiled a new studio and introduced notable news anchors, including the first married couple to present news together on Kenyan television. The station has received awards for its broadcasting excellence.

With its motto "The fountain of truth", Radio Citizen continues to be one of the most listened-to radio stations in Kenya, maintaining its mass appeal while adapting to changing listener interests over the years.