Most subscribers on Youtube 2019
Data for December 2019. The top channel is the Hindi music company T-Series at 120 million, followed by PewDiePie at 102 million and Cocomelon at 66 million. PewDiePie held the top spot for the longest starting from about 2014 till Apr 2019 when the T-Series channel overtook him.
Youtube is a video sharing platform launched in February 2005. It was acquired by Google in November 2006. Youtube introduced user subscriptions in Oct 2005 and started publishing a list of "most subscribed channel" in April 2006.
- Social Blade, socialblade.com