TikTok Feeds Contain 3x More AI-Generated Content Than YouTube, Study Finds

Executive Briefing

• Reveals 59% of videos served to new TikTok accounts are AI-generated, versus 21% on YouTube Shorts
• Shows kids' content is most affected, with 97% of #cartoonkids videos being AI-generated
• Finds Science, Education, Health, and History categories each contain 33–35% AI slop
• Confirms Fashion, Music, and Fitness remain nearly AI-free, each below 2% of content
• Notes TikTok had already labeled 1.3 billion videos as AI-generated by November 2024