Olajide Olayinka Williams Olatunji, more commonly known as KSI or as his friends and family call him, JJ, is one of the UK’s most famous and influential internet personalities. The 32-year-old has an expansive portfolio ranging from content creation to music, boxing, business, and more.

This puts him in an elite category of new-gen entrepreneurs, with his estimated net worth to be around $100 million according to reputable sources. This massive sphere stems from his multiple business ventures, YouTube empire, music catalog, and an A-tier influencer boxing record.

Starting out as a gamer who used to play FIFA in his parents’ house, KSI quickly became a household name in the UK. He’s a part of the UK’s most successful YouTube group, The Sidemen, and together they’ve launched multiple brands and products over the years. These include the likes of XIX Vodka, Sides, and SDMN Clothing.

He started experimenting in music, which led to huge projects with established pop and hip-hop icons, including Snoop Dogg, Anne-Marie, and more. But the hunger to excel didn’t stop there, as KSI practically pioneered the influencer boxing scene and headlined some of the biggest events, like his fights against Logan Paul and Tommy Fury. 

In the years thereafter, he launched hydration drink PRIME alongside his former rival and now business partner, Logan Paul. In collaboration with MrBeast, the 3 YouTube entrepreneurs launched their lunch tiffin brand, Lunchly.

Furthermore, KSI is also a founder and co-owner of Misfits Boxing. A promotion that majorly focuses on the ever-growing influencer boxing scene. KSI most recently grabbed the headlines after buying a 20% minority stake in the East London Football Club, Dagenham & Redbridge. The club currently sits mid-table in the National League South. 

KSI is also one of the founders of Baller League and was the league president for its initial two seasons. He currently owns and manages his own team in the Baller League called Prime FC.

How Much Does KSI Earn in a Month?

Between all his business ventures, music concerts and live events, YouTube ad revenue, equity in business ventures, sponsorship money, social media revenue, documentaries, movies, etc., it is difficult to calculate exactly how much KSI makes in a month. 

However, in an episode of Michael McIntyre's Big Show that aired in January, KSI’s YouTube revenue was leaked. His main channel earnings over those 28 days were listed as 105,000 USD.

His monthly pay scale fluctuates based on what’s lined up for that particular month. But according to recent reports as of December 2025, he earns in the estimated range of $2.45M - $4.7M per month.

A massive portion of this comes from his revenue from PRIME ($2M - $4M), while the other comes from YouTube, music, and boxing. In reality, this number could well be higher, considering all the new ventures that he has stepped into.

What do you think of KSI’s sprawling career up till now? Does he have to one day become the internet’s most renowned and rich personality? Let us know in the comments below.

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Written by

Nisarga Aseem Barkule

Edited by

Shraabona Sengupta