EnglishKoichi Wakata 若田光一 is on Twitter (X) as @Astro_Wakata, with 200,433 followers and 5,682 posts. A typical post draws 358 interactions, an engagement rate of 0.178% per follower. It has been on X since January 2013, an account age of 13 years.
Engagement
A typical post picks up 358 interactions against 200K followers, an engagement rate of 0.178%. Measured over 16 original posts, its engagement rate beats 70% of 20,444 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 12K times each, and 2.90% of those impressions turn into an interaction. That is about 6.14% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 16 original posts from a 30-day window, last computed on October 8, 2026. Recurring tags: #axemu, #gssti, #gaec.
Full engagement reportFollower growth
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Bio
Axiom Space Astronaut and CTO, APAC. 5 times in space. ISS Exp39 Commander. Opinions are my own.
Notable followers
The biggest accounts in our directory following @Astro_Wakata.
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Koichi Wakata 若田光一 on Twitter (X) - frequently asked questions
- What is the Twitter handle for Koichi Wakata 若田光一?
- Koichi Wakata 若田光一 posts on Twitter (X) as @Astro_Wakata. The profile is at x.com/Astro_Wakata, and the View on X button at the top of this page opens it.
- How many followers does Koichi Wakata 若田光一 have on Twitter?
- Koichi Wakata 若田光一 (@Astro_Wakata) has 200,433 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Koichi Wakata 若田光一 join Twitter?
- Koichi Wakata 若田光一 joined Twitter (X) in January 2013. The @Astro_Wakata account is 13 years old. Searches for Koichi Wakata 若田光一 age often mean a personal age, which we do not publish. The figure here is the account age only.