Gaon Social Chart, part of Gaon Chart, is a weekly chart that ranks the top 100 South Korean songs according to their worldwide popularity on social networking sites. As of July 2017, these sites are YouTube, Twitter, and YinYueTai. From July 15, 2013 – June 22, 2014, data was taken from YouTube, Twitter, Facebook and Me2day. After Me2day closed, data was taken from YouTube, Twitter and Facebook (June 23 – July 5, 2014) until Facebook was replaced by Weibo on July 6. YinYueTai was added in February 2016 and Weibo was removed in July 2017.
As of February 2017, the song with the most weeks at number one is "TT" by Twice and the artist with the most weeks at number one is Twice.