how old is ksi
KSI is 32 years old as of 2026.
Quick Scoop
- Full name: Olajide Olayinka Williams “JJ” Olatunji.
- Birthday: 19 June 1993.
- Age right now (2026): 32 years old.
- From: Watford, Hertfordshire, England.
- Known for: YouTuber, musician/rapper, boxer, and member of the Sidemen.
KSI turned from a FIFA YouTuber in the early 2010s into a multi-industry entertainer, juggling music charts, headline boxing events, and Sidemen content that still pulls massive views.
Why people keep asking “how old is KSI?”
- He’s been online since he was a teenager, so many long-time viewers still picture him as that loud FIFA kid even though he’s now in his early thirties.
- His career keeps “resetting” with new audiences through boxing events, TikTok clips, and Sidemen highlights, so younger fans often meet him without knowing his original YouTube era.
Mini timeline
- 2008–2012: Starts uploading gaming videos (FIFA skills, commentaries) and grows a strong UK fanbase.
- Mid‑2010s: Becomes one of the UK’s most influential YouTubers and co-founds Sidemen.
- Late 2010s–2020s: Expands into music and high-profile boxing matches, reaching a global mainstream audience.
TL;DR: KSI (born 19 June 1993 in Watford) is 32 years old and still very much in his peak content and crossover-entertainment era.
Information gathered from public forums or data available on the internet and portrayed here.