KSI: Age, Date of Birth & other info
KSI, whose real name is Olajide Olayinka Williams Olatunji, is a prominent British YouTuber, social media personality, musician, and professional boxer. Born in 1993, he rose to fame with his YouTube gaming content before expanding into music and boxing. KSI has amassed millions of followers across various platforms, becoming one of the most influential figures on the internet.
- Age: 31 years
- Date of Birth: June 19, 1993
- Birth Place: Watford, Hertfordshire, England
- Height: 6 feet 0 inches (183 cm)
- Net Worth: Between $25 million to $30 million
Early Life and Date of Birth
KSI was born on June 19, 1993, in Watford, Hertfordshire, England. His full name, Olajide Olayinka Williams Olatunji, reflects his Nigerian heritage, with “Olajide” being a common Yoruba name. His family hails from Nigeria, and this cultural influence is an integral part of his identity.Growing up in Watford, KSI attended the prestigious Berkhamsted School, a private institution in Hertfordshire. He was introduced to gaming at an early age, and his passion for video games, particularly FIFA, would later play a significant role in his rise to fame. He initially began creating content on YouTube in 2008 under the username “JideJunior,” but it wasn’t until 2009 when he created his more widely known channel, “KSIOlajideBT.”
YouTube Career and Rise to Fame
KSI’s journey on YouTube started with video game commentary, particularly focused on the FIFA series. His entertaining and comedic approach to gaming content quickly attracted a large audience. KSI’s distinctive personality—outspoken, energetic, and often hilarious—was central to his appeal. His videos included FIFA gameplay, challenges, and reaction videos, and over time, his channel gained millions of subscribers.By 2012, KSI had become one of the most popular YouTubers in the UK. He was part of a growing community of creators, and his content was not only limited to gaming but also included vlogs, pranks, and collaborations with other popular YouTubers. As of 2025, KSI’s main YouTube channel boasts over 25 million subscribers, with his videos attracting millions of views.
Syndicate and the Sidemen
In addition to his solo success, KSI became a founding member of the “Sidemen,” a group of seven British YouTubers who, together, created a variety of content, including challenges, gaming videos, and vlogs. The Sidemen are one of the most influential and successful YouTube collectives, and KSI’s involvement played a key role in its early success.The Sidemen consist of KSI, Simon Minter (Miniminter), Tobi Brown (TBJZL), Ethan Payne (Behzinga), Harry Lewis (W2S), Vikram Singh (Vikkstar123), and Joshua Bradley (Zerkaa). Each member has their own channel and areas of expertise, ranging from gaming and lifestyle content to football (soccer) and esports. The group’s collaborative videos on their main Sidemen channel, which has over 18 million subscribers, have brought them a massive global audience.KSI’s collaborations with the Sidemen allowed him to expand his influence and provided a platform for his personal brand. Together, they’ve organized charity football matches, pranks, and other large-scale events that have garnered millions of views.
Music Career
While KSI’s fame initially came from YouTube, his career has since diversified into music. In 2016, he released his first single, “Lamborghini,” which gained significant attention, especially among his fanbase. The song’s success encouraged KSI to explore music more seriously, and he went on to release several tracks and albums.In 2017, KSI released his debut album, “Keep Up,” which featured singles like “Keep Up,” “Creature,” and “Killa Killa.” His unique blend of rap and hip-hop resonated with fans, and he began collaborating with well-known artists in the UK music scene.KSI’s music career continued to evolve, and he gained even more recognition with his 2019 album “Dissimulation.” The album debuted at number two on the UK Albums Chart, solidifying his position as a mainstream artist. Hits like “Wake Up Call” (featuring Rick Ross) and “Houdini” (featuring Swarmz and Tion Wayne) further established him as a serious contender in the music industry.In 2021, KSI released another successful album, “All Over The Place.” His music has evolved from the earlier comedic style to more polished rap and pop-infused sounds. His distinct voice and catchy beats have led to collaborations with several high-profile artists, making him one of the most well-known UK-based musicians on the global stage.
Boxing Career
In addition to his YouTube and music success, KSI made waves in the world of boxing. His boxing journey began with a much-publicized rivalry with fellow YouTuber Joe Weller, which culminated in a boxing match in February 2018. The event was a huge spectacle, drawing millions of views online, and KSI emerged victorious in the fight, which was considered a milestone for the YouTube boxing scene.KSI’s victory over Weller led to another major showdown with his long-time rival, Logan Paul, in 2018. The fight took place in Manchester, England, and was billed as the “biggest internet event of all time.” The match ended in a draw, setting the stage for a highly anticipated rematch in 2019. In the second bout, KSI defeated Logan Paul by split decision, cementing his status as a legitimate boxer.KSI’s boxing career has allowed him to branch out into a new arena, and he has become one of the most recognized figures in the growing “YouTube boxing” scene. He has since expressed his desire to continue boxing professionally and has been training to face even more seasoned fighters in the future.
Family Life
KSI was born to Nigerian parents, and his family has played a significant role in his upbringing. His father, Olatunji, and mother, Jide Olatunji, both have Nigerian roots. KSI’s family is relatively private, and while he often shares moments with his family on social media, he keeps most aspects of his personal life out of the public eye.KSI has a younger brother, Deji Olatunji, who is also a well-known YouTuber and content creator. Deji and KSI were once extremely close but experienced a public falling out in 2018 due to personal and professional differences. The two brothers engaged in a highly publicized feud, with both creating videos that addressed their issues. However, in 2020, KSI and Deji reconciled, and they have since mended their relationship.While KSI’s family life is not as frequently discussed in the media, it is clear that his upbringing and the influence of his Nigerian heritage have played a key role in shaping his identity and career. His family, especially his brother, has contributed to his journey as both a YouTuber and a content creator, with their shared experiences resonating with millions of fans.
Net Worth and Business Ventures
KSI’s multi-faceted career has resulted in significant financial success. As of 2025, his net worth is estimated to be between $25 million and $30 million, although figures vary depending on the source. This wealth comes from several key sources, including YouTube ad revenue, brand deals, music sales, merchandise, and boxing events.KSI has used his platform to launch various business ventures. He has his own line of merchandise, including clothing and accessories, which is popular among his fans. His collaborations with major brands such as Nike, EA Sports, and Gymshark have also contributed to his wealth. KSI’s sponsorship deals and business partnerships continue to grow as his influence expands across multiple industries.In addition to his YouTube, music, and boxing earnings, KSI has also ventured into the world of esports. He has invested in gaming-related companies, and he has worked with teams and organizations in the esports industry, further increasing his business portfolio.KSI’s smart investments, brand collaborations, and multiple income streams have positioned him as one of the most financially successful YouTubers in the world.
Conclusion
KSI is one of the most prominent and multifaceted stars in the world of social media and entertainment. From his early days as a gaming YouTuber to his expansion into music and boxing, KSI’s versatility has enabled him to remain relevant in a constantly changing digital landscape. He has cultivated an immense following, and his influence spans across multiple industries.Through hard work, dedication, and an entrepreneurial spirit, KSI has built a brand that transcends the boundaries of YouTube. His family background, personal experiences, and growing net worth are a testament to his success. KSI continues to inspire millions of fans and remains a central figure in both online culture and mainstream entertainment.
