Most Popular Social Media Platforms 2025. A recent survey by the pew research center found that youtube and facebook remain the most widely used social media platforms among adults in the. The most popular social media platform in australia is facebook, which reaches 18.63 million active users, closely followed by instagram (14.03 million active.

Explore user statistics, features, trends and more. The number of social media users worldwide has swelled to a record 4.9 billion people globally.