安川康介@米国内科専門医

安川康介@米国内科専門医

@kosuke_yasukawa

読んで頂いた方の役に立つ&会話のネタになるツイートをしたいと思います。米国内科専門医 | 感染症 | ヘルスリテラシー | 日本神話と古事記 | こびナビ | 個別の医療相談にはお答えできません | YouTubeで医療情報を発信中

アメリカと日本を転々、心と体は120%日本人 https://www.youtube.com/channel/UC5k1lqa8EoA83AJW5FKHmWg Joined 2020-12-10 Date of Analysis: Dec 16, 2025

42,323

Followers

725

Following

2,096

Tweets

870

Listed

No

Verified

Account Overview

What This Report Covers

This comprehensive analysis examines @kosuke_yasukawa'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:2020-12-10
  • Verification:No
  • Location:アメリカと日本を転々、心と体は120%日本人

Data Summary

  • Followers Analyzed:41,511

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Audience Demographics

Based on 41,511 followers

The audience likely includes individuals interested in health information, Japanese culture, and mythology. They may also be looking for educational content and discussion topics.

Good

Audience Quality

18.9%

Suspicion Index

20.7%

Low-Quality %

77

Median Reach

Audience Quality Signals

Lower percentages indicate healthier, more authentic followers.

30.1%

Empty Bio

16.6%

<10 Tweets

14.9%

Mass Following (>2K)

0.0%

New (<90 days)

39.0%

Low Ratio (<0.1)

0.0%

New (<180 days)

89.0%

No URL

11.4%

<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.

32,114,142

Total Potential Reach

77

Median Follower Reach

301

75th Percentile Reach

8.9%

>1K followers

1.0%

>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).

70.4%

Creators

29,227 accounts

13.0%

Consumers

5,408 accounts

16.6%

Dormant

6,876 accounts

587

Verified Followers

1.41% of total

1.1%

Professional Bios

founder, dev, analyst, etc.

0.15

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 (1,617) Japan (698) 日本 東京 (451) 東京 (413) Tokyo (343) 東京都 (337) Tokyo-to, Japan (202) 大阪 (121) Tokyo, Japan (115) 神奈川県 (108)

587

Verified Followers

1.41% of total

8,144

Protected Accounts

19.62% of total

7 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
@YoshikiOfficial 953,256 Musician Music, Art, Fashion
@Mentalist_DaiGo 691,406 Mentalist psychology, knowledge, audiobooks
@nauru_japan 485,194 Tourism tourism, government, promotion
@PeterHotez 460,974 Vaccine Scientist Vaccine, Antiscience, Pediatrics
@ktamiya 323,936 Farmer Agriculture, Sustainability, Technology
@tabbata 319,488 Entrepreneur Education, Media, Startups
@kharaguchi 313,727 Politician Politics, Legislation, Human Rights
@kumagai_chiba 289,460 Politician politics, governance, community engagement
@kutsunasatoshi 234,237 Infectious Disease Specialist infectious diseases, manga, music
@IiyamaAkari 224,982 Researcher Islam, World Affairs, Research

Top Keywords in Follower Bios

twitter (651) rt (446) dm (277) love (261) life (173) japan (172) youtube (129) japanese (111) tokyo (110) web (108)

Top Hashtags in Follower Bios

#ハ (40) #フ (39) #ヒ (28) #ホ (23) #シ (20) #タ (20) #ト (19) #テ (19) #ヘ (17) #猫 (15)

29,017

Followers With Bio

12,494

Followers Without Bio

69.9%

% With Bio

30.1%

% 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 focuses on providing informative and educational content rather than seeking engagement. It blends medical expertise with cultural topics, which may attract a specific and interested audience. The low engagement suggests the content may not be reaching a broader audience or may not be optimized for interaction.

Strengths

  • + Established follower base of 42,323
  • + 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 @kosuke_yasukawa reveals an growing Twitter presence with 42,323 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