Old MacDonald Had a Farm

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This list of most-disliked YouTube videos contains the top 42 videos with the most dislikes as of December 12, 2021, as derived from the American video platform, YouTube's, charts. The dislike count was taken directly from the page of the video itself. YouTube implemented like and dislike buttons on video pages as part of a major site redesign in 2010. The feature served as a replacement for the previous five-star rating system, which was found to be ineffective because of the rare selection of ratings from two to four stars. Of the 42 videos in this list, 6 also appear in the list of most-viewed YouTube videos and 4 appear in the list of most-liked YouTube videos. Note that the dislike count does not indicate the true unpopularity of a video, which is better represented by dislike percentage, also provided in the table below. For instance, "Despacito", "Baby Shark Dance" and "Gangnam Style" appear on this list, but also on the most-liked YouTube videos list. As of December 2021, Cocomelon has the most videos in the top 50 with thirteen, while YouTube and Jingle Toons have two.