This document provides an overview of digital trends in Australia for 2017, including key statistics on internet, social media, mobile and e-commerce usage. Some of the key findings presented are that in 2017, Australia had 24.48 million total population with 21.18 million internet users, representing 87% penetration. Mobile subscriptions exceeded the total population at 31.35 million. Social media penetration was 65% of the population. Internet and mobile usage grew moderately between 1-2% compared to 2016.