The 16 YouTube channels that lost the most subscribers in 2019 - including Zoella, Tyler Oakley, and Priyanka Chopra

REUTERS/Luke MacGregor

Zoe Sugg.

• The YouTube channels that lost the most subscribers in 2019 show how the platform has evolved and how creators that once dominated during the early days of YouTube have taken a backseat to pursue other opportunities.
• Business Insider looked at the 16 YouTube channels that lost the most subscribers in 2019, according to data provided by the social-media analytics site, Social Blade.
• Some stars who lost a ton of followers, like Zoe Sugg, Tyler Oakley, and Bethany Mota, are less active on YouTube and have successfully broken out into traditional media, launching brands and products to sustain their digital careers.
• Sign up for Business Insider's influencer newsletter, Influencer Dashboard, to get more stories like this in your inbox.
• Visit Business Insider's homepage for more stories.

The YouTube channels that lost the most subscribers in 2019 show how the platform has evolved and how some creators that once dominated during the early days of YouTube have recently put less energy into it.

Some YouTube stars on this list like Zoe Sugg, Tyler Oakley, and Bethany Mota, are now less active on YouTube and are pursuing other ventures.

Sugg, known online as Zoella, launched her channel in 2007 and built a career online from her massive success on YouTube. Since then, Sugg has published multiple books and launched a drugstore beauty and skincare line. Sugg hasn't posted a YouTube video to her main channel Zoella since June 2018. She posts occasional vlog-style content to her second channel and is active on Instagram and Instagram Stories.

Sugg's brother and boyfriend also appear on this list.

Here are the 16 YouTube channels that lost the most subscribers based on subscriber growth, according to data provided by the social-media analytics site, Social Blade. We removed anomalies that came from Vevo channel changes and creators who removed all their videos from a channel. The channels are listed in order of least to most lost subscribers in 2019.