日本推理作家協会◉広報

日本推理作家協会◉広報

@mwjsince1947

日本推理作家協会の公式アカウントです。広報部が運営。1947年に設立された探偵作家クラブを前身としています。江戸川乱歩賞、日本推理作家協会賞を主催。※協会員のお問い合わせはこちらのアカウントではなく事務局へお願いします。

https://t.co/OQ95S13nyj Joined 2021-04-05 Date of Analysis: Dec 16, 2025

30,771

Followers

29,852

Following

3,937

Tweets

290

Listed

No

Verified

Account Overview

What This Report Covers

This comprehensive analysis examines @mwjsince1947's Twitter/X presence across multiple dimensions. We analyze tweet content, engagement patterns, audience demographics, posting habits, and network connections to provide actionable insights about this account's social media strategy and influence.

Account Classification

  • Account Size: Mid-Tier (10K+)
  • Account Age:2021-04-05
  • Verification:No
  • Location:Not specified

Data Summary

  • Followers Analyzed:29,606

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Audience Demographics

Based on 29,606 followers

The primary audience includes mystery writers, fans of Japanese detective fiction, and literary enthusiasts. The account also attracts those interested in literary awards and the history of the mystery genre in Japan.

Good

Audience Quality

15.3%

Suspicion Index

15.4%

Low-Quality %

91

Median Reach

Audience Quality Signals

Lower percentages indicate healthier, more authentic followers.

21.3%

Empty Bio

13.9%

<10 Tweets

13.9%

Mass Following (>2K)

0.0%

New (<90 days)

30.3%

Low Ratio (<0.1)

0.0%

New (<180 days)

81.2%

No URL

9.5%

<3 Tweets

Free Mode Analysis: These quality metrics use heuristic signals (empty bios, low tweets, suspicious ratios). For ML-powered bot detection with 95%+ accuracy, use our dedicated tool.

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Follower Reach & Influence

This account's followers have their own audiences, creating potential for secondary amplification.

28,548,922

Total Potential Reach

91

Median Follower Reach

386

75th Percentile Reach

12.5%

>1K followers

1.5%

>10K followers

0.2%

>50K followers

0.1%

>100K followers

Creator vs Consumer Split

Classification based on tweet activity: Creators (>100 tweets), Consumers (10-100 tweets), Dormant (<10 tweets).

73.2%

Creators

21,675 accounts

12.9%

Consumers

3,817 accounts

13.9%

Dormant

4,114 accounts

419

Verified Followers

1.42% of total

0.6%

Professional Bios

founder, dev, analyst, etc.

0.23

Median Follow Ratio

follower/following

Follower Influence Distribution

How many followers do their followers have?

Follower Account Age

How long have followers been on Twitter?

Geographic Distribution

Top locations where followers are based (from those who share location data):

日本 (847) Japan (324) 東京 (251) 東京都 (224) 日本 東京 (217) 大阪 (116) Tokyo (83) Tokyo-to, Japan (82) 神奈川県 (80) 北海道 (58)

419

Verified Followers

1.42% of total

4,284

Protected Accounts

14.47% of total

6 years

Avg Account Age

of their followers

Notable Followers (By Influence)

Top accounts following this user, sorted by their follower count:

Username Followers Profession Interests
@nauru_japan 485,370 Tourism tourism, government, promotion
@kadokawa_san 432,769 Book Blogger Books, Movies, Animals
@bungostraydogs 405,675 Manga Publisher Manga, Young Ace, Comic Books
@gannsun 329,679 Career Counselor Real Estate, Manga/Anime, Cars
@chikichikiko 321,849 Voice Actor anime, voice acting, theater
@JulianMarley 269,956 Musician Reggae, Music, Family
@HerbertRSim 224,270 Investor Economics, GeoPolitics, AI
@MIKITO_777 197,459 小説家 mystery novels, medical information, evidence-based information
@LfXAMDg4PE50i9e 190,186 Historian history, interior design, real estate
@newyorkgrimaldi 181,123 Chef New York, Pizza, Food

Top Keywords in Follower Bios

dm (388) sf (329) rt (328) twitter (271) web (152) love (148) youtube (145) note (142) fgo (100) rom (99)

Top Hashtags in Follower Bios

#読書好きな人と繋か (138) #読書 (120) #読書垢 (101) #読書好きと繋か (78) #読了 (41) #ハ (35) #小説 (32) #フ (28) #ト (27) #映画 (26)

23,307

Followers With Bio

6,299

Followers Without Bio

78.72%

% With Bio

21.28%

% Without Bio

Why Audience Demographics Matter

Understanding who follows an account reveals the type of influence they hold. Accounts followed primarily by users with few followers indicate broad, mainstream appeal. Those with many high-follower followers have greater potential for content amplification through secondary sharing.

Account age distribution also tells a story: a follower base with many new accounts might indicate recent viral growth, while established followers suggest long-term, stable influence. Geographic data helps understand the cultural context and timezone spread of the audience.

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Key Insights & Takeaways

The account is primarily used for official announcements and award-related information It has a strong following but lacks active engagement The content is likely focused on promoting the association and its events

Strengths

  • + Established follower base of 30,771
  • + Strong original content creation
  • + Active presence with consistent posting

Opportunities

  • ~ Optimize posting times for peak engagement windows
  • ~ Analyze top-performing content for replicable patterns
  • ~ Leverage geographic concentration for targeted content
  • ~ Explore collaboration potential with followed accounts

Summary

This analysis of @mwjsince1947 reveals an growing Twitter presence with 30,771 followers. The account demonstrates a content-creator strategy, averaging engagements per tweet. Key strengths include consistent posting and an engaged audience, with opportunities to further optimize timing and content strategy based on the patterns identified in this report.

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About This Analysis: This analysis is based on a snapshot of followers, following, and recent tweets. It evaluates structure, quality, and behavior, not historical growth. Metrics like growth rate, momentum, churn, or spike analysis require time-series data which is not available from a single snapshot.

Data collected and analyzed by twtData | Analysis date: Dec 16, 2025