Trending helps you discover interesting and relevant topics being discussed on Facebook that may not appear in your News Feed. It shows you a list of topics that have recently become popular on Facebook. The topics that appear in Trending are determined based on the number of publishers that are posting articles on Facebook about that subject and the engagement level of those articles. Facebook team is responsible for reviewing Facebook Trending topics to ensure that they reflect real world events.
How to see Trending Topics
On a computer, Trending topics are listed on the right side of your News Feed in 5 categories: Top Trends, Politics, Science and Technology, Sports and Entertainment. You can switch between categories by clicking the corresponding image. If you’re using the Facebook app on a mobile device, you can see Trending topics by tapping the search bar at the top of Notifications.
How are headlines for Trending topics selected?
The headline that appears for a Trending topic is automatically selected based on a combination of factors including the engagement around the article on Facebook, the engagement around the publisher overall and whether other articles are linking to it.