This document contains statistics about digital media usage in Indonesia. It reports that as of 2015, Indonesia had a population of 255.5 million people, of which 72.7 million were active internet users, 74 million were active social media users, and 64 million were active mobile social users. Facebook, WhatsApp, and Twitter were among the most popular social platforms. On average, Indonesians spent 5.1 hours online per day and 2.4 hours on social media daily. The demographics of social media and mobile users in Indonesia skewed young, between the ages of 18-34.