YouTube's Highest Earnerbr Is an 8-Year-Old Boy.br According to 'Forbes,' br Ryan Kaji earned $26 million br from his YouTube channel in 2019.br Known for unboxing toys and conducting science br experiments, Kaji also branched out with a line of toys, clothes, a Hulu deal and a Nickelodeon show.br According to CNN, br he topped the 'Forbes' list br last year, bringing in $22 million.br The eight-year-old isn't br the only kid making br big bucks on YouTube.br Five-year-old Anastasia Radzinskaya br came in at No. 3 on the 'Forbes' list with $18 million. .br Radzinskaya's videos come in seven languages and feature cameos from her dad.