Despite the evolution of high-speed Internet and television’s prevalence in today’s culture, radio is still a very important and relevant medium — especially in developing nations. World Radio Day reminds us not only that digital hasn’t "killed the radio star," so to speak, but also that radio can help drive change around the world. We’ve compiled five intriguing facts about global radio use that may surprise you: 95% of the World’s Population Uses Radio, Most Households in Developing Nations Have Radio, Radio Is the Only News Medium on the Rise in Russia Since 2008, Radio Signals Are More Reliable, AM/FM Still More Popular Than Online Streaming.