KSI will make his debut on Saturday afternoon, as he hopes to raise money for several charities.
Real name Olajide Olayinka Williams Olatunji, the 31-year-old sensation leads out the Sidemen FC as they face the YouTube Allstars in London for the 2025 edition of the - in aid of and BrightSide among others.
Since its inception in 2016, the footballing extravaganza has been hosted at St Mary's, Valley, and London Stadium - but it returns bigger and better than ever in front of some 90,000 at Wembley on Saturday afternoon. has come a long way since making content in his bedroom back in 2009; today garnering 44.7million subscribers and 14.4billion views across his three personally-operated channels.
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And that's not including his Sidemen channel, which he shares with Simon Minter (Miniminter), Vikram Singh Barn (Vikkstar123), Harry Lewis (Wroe2Shaw), Ethan Payne (Behzinga), Tobit Brown (TBJZL), and Joshua Bradley (Zerkaa) and boasts more than 22m subscribers. But what is KSI's net worth headed into Saturday's charity match at Wembley? Here, Mirror Football breaks it down...
What is KSI's net worth?While KSI certainly made a name for himself early doors through his video gameplay and comedic skits, the fan has since gone on to branch out into several different sectors to bolster his net worth significantly. The YouTuber transitioned into music in 2015 when he dropped his debut single, Lamborghini, alongside P Money, before releasing his first EP in Keep Up the following year.
A debut studio album followed in the form of 2020's Dissimulation, a second in All Over The Place the following year, while a third in the form of Caught In Two Minds is scheduled to drop in 2025. However, KSI has also carved out a career as a professional boxer - with a record of 4-1-1, dispatching the likes of Swarmz, and FaZe Temperrr.
His next bout is scheduled for March 29, where he will face MMA fighter at the Manchester Arena. Elsewhere, KSI has been incredibly successful in the business - launching Prime Hydration with the aforementioned Paul in 2022, founding alongside Mams Taylor, and running a highly successful Sidemen merch line, among other ventures.
Thanks to his incredible career and rise to superstardom, KSI's overall net worth is estimated to be around £79.3m, as per However, he has claimed that he could bolster this figure to over a billion if he were to sell everything he is a part of.
A billionaire claimIn a YouTube video on close friend CalFreezy's channel last April, KSI was asked if he values himself as worth over £1bn. He responded: "If I sold every... probably yeah. If I sold literally everything that is to me, like Misfits, Sidemen, Prime, etc., yeah."
It is reported that Prime Hydration generated sales of £929m ($1.2bn) in 2023 alone. Regardless, KSI also estimated that he would have a 10 figure valuation in 2025 when appearing in the video, which equates to at least £1bn.
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