Our data scientist has uncovered loads of fascinating numbers about social media performance this year.The best times to post based on engagement, how often you should be posting on various platforms to maximize your reach, what the impact of replying to your comments actually is, and a whole lot more — Julian Winternheimer has been busy!But this might be his most important analysis yet.We give you:✨ The Most Used Emojis in Social Media Posts in 2025. ✨According to his analysis of millions of posts, these are the most-used emojis in social media posts this year.OK, OK, it’s probably not the most important, actionable study we’ve ever done… and it probably won’t help shape your social media strategy in the way that all our other studies have done.But it’s fun. And it’s a fascinating snapshot of this social media moment in time, too.Is your most-used emoji on the list? Mine is right at the top!Before you ask, I know my overuse didn’t sway the data. Julian based this analysis on the number of Buffer users who used the emoji this year, rather than total emoji use — so folks who are particularly attached to certain emojis, like me, didn’t influence the numbers too much. Jump to a section: The top emoji in social media posts in 2025 The full lineup: Top emojis used in social media posts in 2025 Top emojis of 2025 by platform Instagram LinkedIn TikTok X/Twitter Facebook Threads YouTube Pinterest Bluesky Mastodon What changed throughout 2025 From feels to function…