EnglishMark Rober is on Twitter (X) as @MarkRober, with 498,902 followers and 3,681 posts. It has been on X since February 2012, an account age of 14 years.
Engagement
Early reading. We have captured 1 original post 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 102 interactions against 499K followers, an engagement rate of 0.02%. Posts are seen about 16K times each, and 0.624% of those impressions turn into an interaction. That is about 3.28% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.03 posts a day over the last 30 days, though only 3% of days saw any activity at all.
Measured over 1 original post from a 30-day window, last computed on October 20, 2026.
Full engagement reportFollower growth
Buy or sell Twitter (X) accounts - escrow-protected
PlayerSells is an escrow marketplace for Twitter (X) accounts. Every deal is protected, with no middleman risk.
Check @MarkRober with free tools
The same checks work on any X (Twitter) account. Free, no sign-up and no email.
Creator Rank, our free Chrome extension, shows this account's audience rank and Creator Score next to its name on X itself.
Bio
Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- https://t.co/3UMhZ5kV9h
Notable followers
The biggest accounts in our directory following @MarkRober.
More Science accounts
Mark Rober on Twitter (X) - frequently asked questions
- What is the Twitter handle for Mark Rober?
- Mark Rober posts on Twitter (X) as @MarkRober. The profile is at x.com/MarkRober, and the View on X button at the top of this page opens it.
- How many followers does Mark Rober have on Twitter?
- Mark Rober (@MarkRober) has 498,902 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Mark Rober join Twitter?
- Mark Rober joined Twitter (X) in February 2012. The @MarkRober account is 14 years old. Searches for Mark Rober age often mean a personal age, which we do not publish. The figure here is the account age only.