This document provides statistics on social media usage in Southeast Asian and Australian countries. Facebook has the most users in the region with over 256 million, representing 97.3% of the total 263 million internet users. Indonesia has the most Facebook users with over 77 million, followed by the Philippines with 38 million users. YouTube is also popular, with Indonesia having the most users at over 37 million. Twitter and Instagram are most used in the Philippines, with over 16 million and 32 million users respectively.