KSI is 32 years old as of 2025. Born on June 19, 1993, in Watford, England, he’s spent over half his life in the public eye. From YouTube comedy skits to dominating boxing rings and charting music albums, KSI’s journey began young, and he’s still evolving.
| KSI Age | 32 Year Old |
KSI’s Date of Birth and Current Age
KSI was born on June 19, 1993, making him 32 years old in 2025.
Here’s a quick breakdown of KSI’s age over the years:
| Year | Age | Notable Event |
|---|---|---|
| 2008 | 15 | Started uploading FIFA videos |
| 2013 | 20 | Sidemen group formed |
| 2015 | 22 | Released autobiography “I Am a Bellend” |
| 2018 | 25 | First boxing match (Joe Weller) |
| 2020 | 27 | Released debut studio album |
| 2023 | 30 | Prime Hydration became global |
| 2025 | 32 | Active in YouTube, boxing, business |
What Was KSI Like as a Kid?
Growing up in Watford, Olajide Olatunji had a knack for humor and video games. His parents, originally from Nigeria, valued academics, but KSI was more drawn to creativity.
He studied at Berkhamsted School, where he met fellow Sidemen member Simon Minter (Miniminter). While others focused on traditional paths, KSI quietly built a YouTube following that would soon explode.
Teenage Hustle: How He Started at 15
By age 15, he was recording FIFA commentary videos on YouTube, under the name KSIOlajideBT. His mix of gaming, humor, and exaggerated reactions pulled in viewers by the thousands.
He wasn’t just another kid online; he was building a brand.
How KSI’s Age Matched His Career Phases
Teen Years (15–19): The Launchpad
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YouTube channel took off
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Gained millions of views on FIFA and comedy skits
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First viral wave arrived in his late teens
Early 20s: Evolving with Fame
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Co-founded Sidemen
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Dropped music tracks
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Became known for both controversy and consistency
Late 20s: Expansion
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Switched to mainstream music
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Fought Logan Paul twice
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Launched Prime Hydration with Logan
Early 30s: Dominating Three Industries
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2025: Still active in boxing, YouTube, and business
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Reinvented his content to stay relevant
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Seen more as a brand than just a creator
KSI Then vs. Now
| Age | Appearance | Personality | Focus |
|---|---|---|---|
| 15 | Slender, teen gamer | Goofy, energetic | FIFA, YouTube |
| 25 | Muscular, confident | Competitive, creative | Boxing, Music |
| 32 | Sharper, businessman | Balanced, mature | Brand building |
Fans often revisit old clips to compare “young KSI” to the current version. While the voice and humor are still there, his delivery and confidence have skyrocketed.
Fan Reactions to His Age
Many fans are stunned to learn KSI is just 32. With such a long digital history, some assume he’s older.
Popular fan reactions:
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“He’s done more by 30 than most do in 60.”
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“From FIFA to fighting Logan Paul? Iconic.”
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“Still feel like he’s 25 because he’s always ahead.”
His age keeps him relatable to Gen Z while commanding respect from Millennials.
KSI vs. Other Creators: Age Comparison
| Name | Date of Birth | Age in 2025 | Notable For |
|---|---|---|---|
| KSI | June 19, 1993 | 32 | YouTube, Boxing, Music |
| Logan Paul | April 1, 1995 | 30 | Boxing, WWE |
| Deji (Brother) | December 9, 1996 | 28 | YouTube Gaming |
| MrBeast | May 7, 1998 | 27 | Philanthropy, YouTube |
| Miniminter | Sep 7, 1992 | 33 | Sidemen, Challenges |
He’s among the eldest in his circle, but his energy and ideas keep him ahead.
Why His Age Makes Him More Influential
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Started Early: A 15-year-old uploading FIFA clips turned into a business mogul
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Experience Counts: Over 17 years of online content creation
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Still Young: At 32, his growth window is wide open
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Relatability: He shares both wins and losses, making him authentic
His age is just a checkpoint. The work speaks louder.
Will KSI Slow Down After 32?
Unlikely. In interviews, KSI has hinted at:
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More music collaborations
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A few more boxing matches
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TV and film opportunities
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Business expansion in energy drinks, fitness, tech
Age is just a number, but for KSI, it tells a story of consistency, adaptability, and hustle. At 32, he’s achieved milestones in three major industries and shows no signs of slowing.
Whether you followed him from his FIFA days or joined during Prime’s success, one thing’s clear, KSI is still getting started.
1. How old is KSI right now?
He is 32 years old in 2025.
2. When was KSI born?
KSI was born on June 19, 1993, in Watford, England.
3. How old was KSI when he started YouTube?
He was just 15 years old when he uploaded his first video.
4. Who is older, KSI or Deji?
KSI is older. Deji was born in 1996, making him 28 in 2025.
5. What will KSI do in his late 30s?
He’s expected to focus on music, entrepreneurship, and possibly acting roles or long-term investments.