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For most of us, YouTube is nothing more than a rabbit hole we occasionally find ourselves stuck down - but for others, it is a source of serious income.
The top YouTubers make millions of dollars per year, with eight-year-old Ryan Kaji topping the 2019 leader-board with earnings of $26 million (£19.9m) per year - which is pretty bonkers.
New research has revealed the highest earners per video are children too.
Brothers Vlad and Nikita - aged six and four - have more than 35 million subscribers on their YouTube channel, where they share videos of them reviewing toys.
But while this in itself is a life any kid would dream of, they're also making enough dosh to buy every toy they could possibly desire - $312,000 (£240,500) with each vid in fact, according to CashLady.
The site looked at the 50 most-subscribed independently-founded English-speaking accounts on YouTube and estimated how much they make per video.
The researchers noted the accounts' average video views and estimated earnings, which were taken from Influencer Marketing Hub's YouTube Money Calculator.
Dude Perfect came in second with estimated earnings of $301,300 (£232,000) per video, though they will have to split their money five ways.
The channel is dedicated to videos of the mates executing all sorts of mad sporting trick shots and together they have amassed almost 50m subscribers.
Scooping the bronze medal is another child, six-year-old Anastasia Radzinskaya, who has six channels and makes videos playing with her dad in seven different languages.
It started out with Anastasia's parents documenting her cerebral palsy on YouTube, but now the videos make an estimated $258,500 (£199,000) each.
A full breakdown of the top 10 reads as follows:
But while these guys may make the most moolah per vid, Ryan Kaji is the highest earner on the platform.
According to Forbes, Ryan - who has 24.2 million subscribers on his channel - was the highest paid person on YouTube for the second year in a row in 2019, with his annual earnings increasing from $22m (£17.3m) to $26m (£19.8m).
Ryan, from Texas, USA, started out reviewing toys when he was three and is now rolling in cash.
But rather than retire at the age of eight, Ryan has expanded further and now has a line of more than 100 toys and a show on Nickleodeon... and he's branching out into science experiments on his channel, Ryan's World (formerly Ryan ToysReview).
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