朽木誠一郎 Seiichiro Kuchiki

朽木誠一郎 Seiichiro Kuchiki

@amanojerk

朝日新聞記者 @asahi 、同withnews副編集長 @withnewsjp 。ネットと医療、子育て関連のニュースを発信します。群馬大学医学部医学科卒、編プロ・ノオト出身。新刊『健康診断で「運動してますか」と言われたら最初に読む本』発売中。雑誌『Mac Fan』、『Domani』公式サイトでも連載中。

中央区 https://www.amazon.co.jp/dp/4041136040/ Joined 2011-04-17 Date of Analysis: Dec 16, 2025

18,788

Followers

2,623

Following

35,923

Tweets

No

Verified

Account Overview

What This Report Covers

This comprehensive analysis examines @amanojerk'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:2011-04-17
  • Verification:No
  • Location:中央区

Data Summary

  • Followers Analyzed:18,845

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Audience Demographics

Based on 18,845 followers

The audience includes individuals interested in healthcare, technology, and parenting, as well as readers of magazines like Mac Fan and Domani. They are likely professionals and parents seeking reliable information.

Good

Audience Quality

15.1%

Suspicion Index

12.7%

Low-Quality %

257

Median Reach

Audience Quality Signals

Lower percentages indicate healthier, more authentic followers.

19.5%

Empty Bio

9.2%

<10 Tweets

23.8%

Mass Following (>2K)

0.0%

New (<90 days)

23.7%

Low Ratio (<0.1)

0.0%

New (<180 days)

67.8%

No URL

5.9%

<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.

57,833,621

Total Potential Reach

257

Median Follower Reach

924

75th Percentile Reach

23.6%

>1K followers

3.9%

>10K followers

1.0%

>50K followers

0.5%

>100K followers

Creator vs Consumer Split

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

80.3%

Creators

15,126 accounts

10.5%

Consumers

1,987 accounts

9.2%

Dormant

1,732 accounts

805

Verified Followers

4.27% of total

2.5%

Professional Bios

founder, dev, analyst, etc.

0.29

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 (641) 東京 (390) 日本 東京 (364) 東京都 (318) Tokyo (310) Japan (297) Tokyo-to, Japan (134) Tokyo, Japan (93) tokyo (67) 大阪 (64)

805

Verified Followers

4.27% of total

3,275

Protected Accounts

17.38% of total

9 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
@6BillionPeople 2,008,511 - -
@tsuda 1,480,696 Journalist Journalism, Media activism, Politics
@kenichiromogi 1,405,757 Neuroscientist neuroscience, author, broadcaster
@Yukiriiiin__K 1,297,355 Entertainer TV, Radio, YouTube
@h_ototake 872,748 Author Disability advocate, author, motivational speaker
@SHARP_JP 835,126 Electronics electronics, innovation, communication
@ARTEM_KLYUSHIN 715,993 Politician Russian politics, diplomacy, international relations
@SleepSkee 699,842 Musician Music, Independent, Artist
@bunshun_online 687,486 News Media news, entertainment, business
@takeshi_tsuruno 650,398 Singer music, singing, art

Top Keywords in Follower Bios

web (392) twitter (220) dm (215) rt (210) pr (162) japan (131) youtube (99) note (90) love (90) tokyo (74)

Top Hashtags in Follower Bios

#フ (50) #テ (41) #ハ (35) #タ (34) #相互フォロー (20) #広報 (18) #ホ (18) #広報さんと繋か (16) #ヒ (14) #ト (13)

15,165

Followers With Bio

3,680

Followers Without Bio

80.47%

% With Bio

19.53%

% 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

Amanojerk's content is likely aimed at providing in-depth, professional analysis rather than viral appeal Their verified status and media background suggest credibility and authority in their field They may focus on educational and informative content rather than entertainment or trends

Strengths

  • + Established follower base of 18,788
  • + 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 @amanojerk reveals an growing Twitter presence with 18,788 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