岩波書店✓ Add us as a preferred source on Google
🔄 Data last refreshed 2 months ago
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Make a deal with 岩波書店
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
10.6K
Account age
3 yrs
💰 Suggested sponsorship rate
$59 – $96 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor 岩波書店
Known for
📊 Post engagement
Recent posts · likes + reposts
Jul 17latest
64
Avg engagement / post
44–77
Typical post (engagement)
0.6%
Engagement vs followers
78/100
Very consistent reach
May 2023
On Bluesky since
Half of recent posts land between 44 and 77 likes + reposts (median 64) — a dependable floor a sponsored post can count on.
🔥 Top post: 【7/15発売】 松沢弘陽『日本政治思想』（岩波現代文庫） 日本の政治はなぜ思想的貧困から抜け出せないのか。明治啓蒙から大正デ · 122 likes + reposts
📊 Activity & format
Posting cadence
6.5 / week
Posts several times a week.
Content mix
Mostly images
Recent: 0 text · 12 image · 0 video.
Follower / following
1.2K×
Follows 9 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Bluesky ↗🦋 Handle & authenticity
✅ Domain-verified
@iwanami.co.jp
The handle is the domain iwanami.co.jp. On Bluesky a domain handle proves the owner controls that website — so this is verifiably the real iwanami.co.jp account, not an impersonator.
On Bluesky since
May 2023
An early adopter from the invite-only beta (before the Feb 2024 public launch) — an original, established account.
💡 Facts
🗓️Joined Bluesky in 2023 — 3 years ago.
👁️Averages 64 views per post.
📤Posts about 6.5× per week.
🏅Earned the 10K Followers for passing 10K followers.
🕵️ Fake follower check
Estimated95/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~0.6% of followers engage each post) — an active, real audience.
- Organic base — far more followers than accounts it follows.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
1913年創業の総合出版社です。2023年5月開始。
Iwanami Shoten, Publishers.
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Frequently asked questions
How much does 岩波書店 charge for a sponsorship?
岩波書店 hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact 岩波書店 for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify 岩波書店, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does 岩波書店 have?
岩波書店 has 10,574 followers on Bluesky.
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🎤 Event / appearance with 岩波書店
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