Which TED Talks captured the world’s attention in 2021? Watch speakers like Amanda Gorman, Lizzo, Esther Perel, Alex Smith, Bill Gates and more discuss topics ranging from the secret to forming better habits, thoughts on burnout culture, finding your “why”, creating healthy money habits, electronic pills, and even figuring out exactly how many glasses of water you need each day. These are the top 50 most-watched TED talks on YouTube in 2021.