EnglishBrian Cox Twitter (X) stats, updated continuously. @ProfBrianCox has 2,990,492 followers and 32,766 posts on X. Account age: 17 years (joined December 2008).
Insights
Over the last 30 days @ProfBrianCox gained 13,608 followers (+0.46%). In the last 7 days the change was +1,163 followers. Its follower growth this week outpaces 61% of tracked Education accounts. Brian Cox is on a 72-day follower growth streak. Its strongest tracked day added +10,990 followers on Jun 23, 2026. At the current pace, @ProfBrianCox is on track to reach 3.0M followers in about 4 weeks.
Engagement
Early reading. We have captured 6 original posts for this account, below the 8 we require before treating a median as settled. The numbers above describe what we have seen so far, not a finished profile of the account.
A typical post picks up 1.2K interactions against 3.0M followers, an engagement rate of 0.038%. Posts are seen about 113K times each, and 1.02% of those impressions turn into an interaction. That is about 3.77% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.6 post a day over the last 30 days, though only 30% of days saw any activity at all.
Measured over 6 original posts from a 30-day window, last computed on September 10, 2026. Recurring tags: #asteroidday, #darkmatter, #europeaneclipse.
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Follower growth
On a 72-day follower growth streak. Best tracked day: +11K followers on 2026-06-23.
Bio
Professor of Particle Physics at The University of Manchester
Notable followers
The biggest accounts in our directory following @ProfBrianCox.
More Education accounts
Brian Cox on Twitter (X) - frequently asked questions
- How many followers does Brian Cox have on X?
- Brian Cox (@ProfBrianCox) has 2,990,492 followers on X (Twitter). It gained 1,251 new followers in the last 7 days. The count is refreshed continuously from public data.
- When did Brian Cox join X, and how old is the account?
- Brian Cox joined X in December 2008. The @ProfBrianCox account is 17 years old. Searches for Brian Cox age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has Brian Cox published?
- Brian Cox has published 32,766 posts on X. That is about 5.1 posts per day over the life of the account.
- Is Brian Cox verified on X?
- Yes. Brian Cox is verified on X with a blue checkmark (X Premium).
- What does Brian Cox post about?
- Brian Cox is classified under Education in our directory. Bio: "Professor of Particle Physics at The University of Manchester".
- Is Brian Cox gaining or losing followers?
- Brian Cox is currently gaining followers, with a net +13,608 over the last 30 days. Over the last 7 days the change was +1,163.
- How fast is Brian Cox growing on X?
- Brian Cox is adding roughly 454 followers per day on average over the last 30 days. At this pace it is on track to reach 3.0M followers in about 4 weeks.