B
Evidence Grade B
Graded
under review
Safe to Cite
Current
25,000
25,000 -- community member count for Author Marketing Club (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
25,000
Unit
Count
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Author Marketing Institute
Primary
Tier B
http://authormarketinglive.com/about/ ↗
Source Article
About
Original Research
Author Marketing Institute
· Original study ↗
Methodology
Self-reported community size from the organization's own About page
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Author Marketing Club: 25,000 community member count. Source: Author Marketing Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/author-marketing-club-community-size
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<blockquote cite="https://lighthousedata.io/data/author-marketing-club-community-size" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25,000</strong> -- community member count for Author Marketing Club<br><small>Source: Author Marketing Institute (2026) · <a href="https://lighthousedata.io/data/author-marketing-club-community-size" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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