EnglishU.S. National Science Foundation is on Twitter (X) as @NSF, with 1,165,613 followers and 23,747 posts. A typical post draws 62 interactions, an engagement rate of 0.005% per follower. It has been on X since September 2008, an account age of 18 years.
Insights
U.S. National Science Foundation is on a 13-day follower growth streak. Its strongest tracked day added +132 followers on Jun 29, 2026.
Engagement
A typical post picks up 62 interactions against 1.2M followers, an engagement rate of 0.005%. Posts are seen about 9.5K times each, and 0.656% of those impressions turn into an interaction. That is about 0.817% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.43 posts a day over the last 30 days, though only 30% of days saw any activity at all.
Measured over 12 original posts from a 30-day window, last computed on October 25, 2026. Recurring tags: #nsffunded, #crew13.
Full engagement reportFollower growth
On a 13-day follower growth streak. Best tracked day: +132 followers on 2026-06-29.
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Bio
Explore #NSFfunded research that is transforming the world. Social media policy: https://t.co/IRuZ2l1WBu
Notable followers
The biggest accounts in our directory following @NSF.
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U.S. National Science Foundation on Twitter (X) - frequently asked questions
- What is the Twitter handle for U.S. National Science Foundation?
- U.S. National Science Foundation posts on Twitter (X) as @NSF. The profile is at x.com/NSF, and the View on X button at the top of this page opens it.
- How many followers does U.S. National Science Foundation have on Twitter?
- U.S. National Science Foundation (@NSF) has 1,165,613 followers on Twitter (X). The count is refreshed continuously from public data.
- When did U.S. National Science Foundation join Twitter?
- U.S. National Science Foundation joined Twitter (X) in September 2008. The @NSF account is 18 years old. Searches for U.S. National Science Foundation age often mean a personal age, which we do not publish. The figure here is the account age only.