EnglishXavier Sala-i-Martin Twitter (X) stats, updated continuously. @XSalaimartin has 481,072 followers and 34,379 posts on X. Account age: 17 years (joined August 2009).
Engagement
A typical post picks up 417 interactions against 481K followers, an engagement rate of 0.087%. Measured over 9 original posts, its engagement rate beats 66% of 3,792 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 170K times each, and 0.245% of those impressions turn into an interaction. That is about 35.4% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 9 original posts from a 30-day window, last computed on August 28, 2026. Recurring tags: #panoramamundial, #xist.
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Follower growth
Bio
Author of "Economia de la IA". Professor at Columbia University. I block trolls (especially Florentinians), abusers and would-be censors. No exceptions.
Notable followers
The biggest accounts in our directory following @XSalaimartin.
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Xavier Sala-i-Martin on Twitter (X) - frequently asked questions
- How many followers does Xavier Sala-i-Martin have on X?
- Xavier Sala-i-Martin (@XSalaimartin) has 481,072 followers on X (Twitter). The count is refreshed continuously from public data.
- When did Xavier Sala-i-Martin join X, and how old is the account?
- Xavier Sala-i-Martin joined X in August 2009. The @XSalaimartin account is 17 years old. Searches for Xavier Sala-i-Martin age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has Xavier Sala-i-Martin published?
- Xavier Sala-i-Martin has published 34,379 posts on X. That is about 5.5 posts per day over the life of the account.
- Is Xavier Sala-i-Martin verified on X?
- Yes. Xavier Sala-i-Martin is verified on X with a blue checkmark (X Premium).
- What does Xavier Sala-i-Martin post about?
- Xavier Sala-i-Martin is classified under Education in our directory. Bio: "Author of "Economia de la IA". Professor at Columbia University. I block trolls (especially Florentinians), abusers and would-be censors. No exceptions.".