Who is the richest youtuber in the world? the richest YouTuber in the world was Ryan Kaji. Ryan gained fame through his YouTube channel called “Ryan’s World” (formerly known as Ryan ToysReview). Ryan’s channel primarily features videos of him unboxing and playing with toys. Ryan’s World became incredibly popular, attracting a massive audience of children and families. The channel’s success led to various revenue streams, including ad revenue, brand partnerships, merchandise sales, and licensing deals. Ryan’s World expanded beyond YouTube, with merchandise such as toys, clothing, and books available in stores.