# Retention rate > Retention rate is the share of a video that viewers actually watch, shown as a curve of how many people are still watching at each second, and expressed as a percentage of the total length. Canonical: https://www.makeviral.ai/glossary/retention-rate Updated: 2026-09-15 Published: 2026-09-15 Author: MakeViral Team (https://www.makeviral.ai/about) Publisher: MakeViral (https://www.makeviral.ai) **Definition:** Retention rate is the share of a video that viewers actually watch, shown as a curve of how many people are still watching at each second, and expressed as a percentage of the total length. The curve is the most useful screen in any analytics dashboard, because it does not tell you that a video underperformed. It tells you the second it happened. ## How to read the shape - **A cliff in the first one or two seconds.** The [hook](https://www.makeviral.ai/glossary/hook) failed. Nothing after it matters, because almost nobody saw it. - **A cliff at four to six seconds.** The hook worked and the second beat did not arrive. Usually a pacing problem. See [pattern interrupt](https://www.makeviral.ai/glossary/pattern-interrupt). - **A steady slope with no cliff.** Normal decay. The video is working; the way to improve it is to make it denser, not shorter. - **A bump upward.** People rewound or the video looped. Whatever happens at that point is worth repeating. - **A cliff just before the end.** The payoff arrived too late, or the video kept going after it. ## Retention against length A 30-second video at 70 percent retention and a 90-second video at 40 percent produce roughly the same [average view duration](https://www.makeviral.ai/glossary/average-view-duration), but they are not the same result. Short-form feeds respond to the share of the video watched, so the shorter video usually gets pushed harder while the longer one collects more total [watch time](https://www.makeviral.ai/glossary/watch-time). ## The practical loop Post, open the curve, find the first cliff, change only the thing at that timestamp, post again. Changing five things at once tells you nothing. MakeViral renders variations of the same brief in one run, so a hook test is one session rather than a week. See [how to go viral on TikTok](https://www.makeviral.ai/blog/how-to-go-viral-on-tiktok). ## Questions about retention rate ### What is a good retention rate for a short video? For a 30 to 60 second vertical video, holding 50 percent or more of viewers to the end is a strong result, and above 70 percent is unusual. The figure depends heavily on format: quizzes and countdowns retain better than stories because they create an open loop. ### Why do I lose most viewers in the first second? Almost always because the video begins before the interesting part. Logos, slow pans, greetings and setup sentences all spend the only second you have. Cut to the first genuinely interesting statement and start the video there. ### Is retention rate the same as completion rate? No. Retention rate is the whole curve, showing how many viewers remain at each second. Completion rate is one point on it: the share who reached the end. A video can have poor completion but strong retention through the first half, and that is a different problem. ## See it in action - [How to Go Viral on TikTok: What Actually Moves Reach](https://www.makeviral.ai/blog/how-to-go-viral-on-tiktok): What TikTok says about recommendations, 15 hooks that hold the first two seconds, a retention checklist and a 14-day plan. Start your first video. ## Related terms - [Average view duration](https://www.makeviral.ai/glossary/average-view-duration): Average view duration is the average number of minutes watched per view, calculated by dividing total watch time by the number of views, and reported by YouTube from engaged views. - [Completion rate](https://www.makeviral.ai/glossary/completion-rate): Completion rate is the percentage of viewers who watch a short video all the way to the end, and on looping feeds it can exceed 100 percent when viewers watch more than once. - [Full glossary](https://www.makeviral.ai/glossary)