That's the top 20 global artists based on YouTube views in 2018, Google explained.
The countries that saw the most content related to BTS this year were the United States (283 million times), followed by Vietnam (24 million times), Mexico (161 million times), Korea (153 million times), Brazil (149 million times), and the Philippines (120 million times). 94% of all views were made overseas.
BTS' YouTube channel "BTS TV" (BANGTANTV), which was opened in December 2012, also reached 10 million subscribers last month. This is 10 times more than three years after exceeding 1 million subscribers in November 2015.
About BTS
BTS, also known as the Bangtan Boys, is a South Korean boy band that was formed in 2010 and debuted in 2013 under Big Hit Entertainment.
 Wikipedia