Ryan is a seven-year-old YouTuber who has just been announced by Forbes as the world's highest-earning YouTube star. Ryan's World (formerly Ryan ToysReview) is a children's YouTube channel featuring Ryan Kaji,. Ryan's World/ryan kaji#ryan's toy review cars# income# biography/age - 8, income 185. An eight-year-old boy who reviews toys has topped a list of the highest-earning YouTube stars. Loan Guan, 35, the mother of seven-year-old Ryan Kaji - YouTube's. The family's channel, Ryan ToysReview, was created in March of 2015,.