EnglishCSIS Twitter (X) stats, updated continuously. @CSIS has 437,138 followers and 96,946 posts on X. Account age: 15 years (joined March 2011).
Insights
Its strongest tracked day added +5 followers on Jun 24, 2026.
Engagement
A typical post picks up 15 interactions against 437K followers, an engagement rate of 0.003%. Measured over 51 original posts, its engagement rate beats 18% of 3,792 tracked accounts of a similar size. That is a reason to look at how the audience behaves - reply depth, saves, whether the followers are recent - rather than a conclusion about it on its own. Posts are seen about 4.7K times each, and 0.32% of those impressions turn into an interaction. That is about 1.07% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 51 original posts from a 30-day window, last computed on August 30, 2026.
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Follower growth
Best tracked day: +5 followers on 2026-06-24.
Bio
A bipartisan institution, CSIS is the top national security think tank in the world. Follows ≠ endorsements.
Notable followers
The biggest accounts in our directory following @CSIS.
Similar accounts
CSIS on Twitter (X) - frequently asked questions
- How many followers does CSIS have on X?
- CSIS (@CSIS) has 437,138 followers on X (Twitter). The count is refreshed continuously from public data.
- When did CSIS join X, and how old is the account?
- CSIS joined X in March 2011. The @CSIS account is 15 years old. Searches for CSIS age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has CSIS published?
- CSIS has published 96,946 posts on X. That is about 17.2 posts per day over the life of the account.
- Is CSIS verified on X?
- Yes. CSIS is verified on X with a blue checkmark (X Premium).