Who's Who on Social Media
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Who is Olajide “JJ” Olatunji, aka KSI?

KSI, also known as Olajide “JJ” Olatunji, has made an indelible mark across various digital spaces, including YouTube, music, boxing, and entrepreneurship. With a presence on Instagram, TikTok, YouTube, and X, KSI’s multifaceted career and dynamic content keep him at the center of pop culture.

November 5, 2024
Capucine Munuera

KSI, also known as Olajide “JJ” Olatunji, has made an indelible mark across various digital spaces, including YouTube, music, boxing, and entrepreneurship. With a presence on Instagram, TikTok, YouTube, and X, KSI’s multifaceted career and dynamic content keep him at the center of pop culture. This analysis breaks down KSI’s strategy on each platform, his influence, content approach, and key metrics that make him a unique figure in the digital space.

KSI: From YouTube Icon to Global Entrepreneurial Phenomenon

KSI, also known as Olajide "JJ" Olatunji, is a British content creator, rapper, and entrepreneur who has risen to fame through a diverse range of accomplishments. His journey began on YouTube, where he initially captured audiences with his gaming videos, primarily centered around the popular game FIFA. Over time, KSI expanded his content to include comedic skits, reaction videos, and collaborations, quickly building a substantial fan base. His humor, charisma, and authenticity resonated with viewers, making him one of the platform’s most recognizable personalities and solidifying his role as a pioneer of British YouTube.

Beyond his success on YouTube, KSI ventured into the music industry, where he has achieved significant success as a rapper. He has released multiple albums and hit singles, such as "Holiday" and "Voices," which have earned millions of streams and charted internationally. His collaborations with notable artists, including Rick Ross, Trippie Redd, and Anne-Marie, have demonstrated his versatility and talent, allowing him to establish himself as a serious musician. KSI’s music showcases a mix of introspective lyrics and energetic beats, appealing to a broad audience and further enhancing his cultural impact beyond digital media.

In addition to his entertainment career, KSI has become a prominent entrepreneur and boxing figure. He is the co-founder and CEO of the Sidemen, a collective of British YouTubers whose joint content spans challenges, vlogs, and comedy. KSI has also co-founded Prime Hydration, a successful beverage brand, with fellow influencer Logan Paul. His boxing career has brought him even more fame, with high-profile matches against other social media stars drawing millions of viewers worldwide. KSI’s achievements across these varied fields highlight his adaptability and ambition, making him a multifaceted influencer and a powerful force in the realms of entertainment, business, and sports.

An Influencer active on social media

KSI maintains a powerful digital presence, with millions of followers across multiple platforms, each with distinct content tailored to his audience.

YouTube: The Foundation of KSI’s Success

YouTube is KSI’s most prominent platform, where he shares a mix of music, boxing highlights, Sidemen collaborations, and comedic content. His videos range from high-energy music videos to humorous reactions, catering to a diverse audience with a penchant for entertainment and authenticity. With over 24.6 million subscribers, KSI’s YouTube channel serves as the cornerstone of his digital empire, and each post averages millions of views, reinforcing his status as a top content creator.

  • Username: @ksi
  • Influence Score: 95.4/100
  • Followers: 24.6 million
  • Activity: 4.5 videos/month
  • Engagement Rate: 3.33%
  • Growth (last 30 days): +2.5% (+599.9K followers)
  • Average Engagement: 238.3K
  • Posting Habits: Once a week at 8 AM

Instagram: The Visual Hub for Fans and Partnerships

KSI’s Instagram presence (13 million followers) provides fans with a mix of promotional content, lifestyle posts, and behind-the-scenes glimpses into his life and work. Known for visually engaging posts featuring everything from boxing events to product endorsements, Instagram is an ideal platform for KSI to build brand partnerships while connecting with fans through a polished, curated feed.

  • Username: @ksi
  • Influence Score: 98.3/100
  • Followers: 13 million
  • Activity: 7 posts last month
  • Engagement Rate: 4.4%
  • Growth (last 30 days): +0.28% (+38.2K followers)
  • Average Engagement: 574K
  • Posting Habits: Once a week at 12 AM

TikTok: Rapid Engagement Through High-Energy Clips

On TikTok, KSI’s 12.1 million followers are treated to quick, engaging content that leverages the platform’s trend-driven nature. Known for his humorous and relatable clips, KSI maintains a strong engagement rate and growth on TikTok, where he shares highlights from his music, boxing, and collaborations with other influencers, capturing the fast-paced, youthful TikTok audience.

  • Username: @ksi
  • Influence Score: 97.6/100
  • Followers: 12.1 million
  • Activity: 1.5 videos/week
  • Engagement Rate: 7.08%
  • Growth (last 30 days): +2.82% (+332.4K followers)
  • Average Engagement: 731.4K
  • Posting Habits: Once a week at 12 AM

X: A Platform for Direct Interaction and Updates

KSI uses X (formerly Twitter) to connect with his 9 million followers on a more personal level. His tweets range from casual thoughts to responses to fans and critics, as well as promotional content. Although growth on X has plateaued, KSI remains active, sharing content that provides fans with insight into his personality beyond his professional endeavors.

  • Username: @ksi
  • Influence Score: 89.5/100
  • Followers: 9 million
  • Activity: 8.4 tweets/week
  • Engagement Rate: 0.47%
  • Growth (last 30 days): -0% (-216 followers)
  • Average Engagement: 42.1K
  • Posting Habits: Every day at 1 AM

KSI's Favikon Authority and Rankings Summary

KSI ranks exceptionally high on Favikon’s authority score, with a 9,910-point rating, positioning him as a top-tier figure among UK-based gaming and streaming influencers. His presence is not only substantial but also diversified across platforms, making him a cross-genre influencer with high engagement across entertainment, gaming, music, and sports.

A Strategic Blend of Content and Partnerships

KSI’s content strategy is highly adaptable. On YouTube, he blends long-form entertainment with music and boxing highlights, ensuring varied content that appeals to multiple audience segments. Instagram offers a curated look at his life, while TikTok is ideal for high-energy, digestible content that resonates with younger audiences. X remains a platform for direct interaction, allowing him to address fans and critics alike in real-time.

Reachability and Partnerships


KSI’s reachability is classified as “Very Difficult,” with a sponsored post cost estimated at $100K, reflecting his high value as an influencer. His brand partnerships with companies like Prime, WWE, and Sidemen highlight his ability to leverage his online influence for high-profile collaborations. This expansive network positions KSI as a premium partner for brands targeting global audiences across multiple sectors.

KSI’s journey from YouTuber to a global influencer is a testament to his adaptability, charisma, and business acumen. With a consistent presence on Instagram, TikTok, YouTube, and X, KSI has mastered the art of cross-platform engagement, appealing to diverse audiences while expanding his influence into music, boxing, and entrepreneurship. His impressive authority score and continued growth across platforms solidify KSI’s status as a digital powerhouse, making him an influential figure not just in the UK but on a global scale.

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About the author

Capucine Munuera

Capucine Munuera is currently pursuing a Master's in Social Media Strategy at Sup de Pub in Paris while working as a marketing manager at Favikon. Her professional journey includes significant roles such as marketing responsibilities at Favikon and prior experiences at organizations like CLIC&MOI and Carré Cointreau. Capucine's expertise lies in developing and executing marketing strategies, leveraging her hands-on experience in social media management and brand communication.