B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
22.5%
22.5% -- database degradation rate for B2B marketing contact databases (2025)
Marketing databases naturally degrade at a rate of 22.5% every year.
- Promotional claim by data vendor without citation of specific underlying study or methodology
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
22.5%
Unit
Percentage
Data Vintage
2025
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Email Data Group
Primary
Tier C
https://www.emaildatagroup.net/list-of-companies-using/rightfax-server ↗
Source Article
Customized RightFax Server Users Email List
Email Data Group > Technology Users List >RightFax Server Customers List
RightFax server is the leading network fax server solution offered across nations. This solution automates the manual paper work that takes up a lot of time by helping data process through integrated business applications and s…
Original Research
Email Data Group
· Original study ↗
Methodology
Vendor-cited industry figure; original methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
B2B marketing contact databases: 22.5% database degradation rate. Source: Email Data Group (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/marketing-database-annual-degradation-22-5
HTML Embed
<blockquote cite="https://lighthousedata.io/data/marketing-database-annual-degradation-22-5" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22.5%</strong> -- database degradation rate for B2B marketing contact databases<br><small>Source: Email Data Group (2025) · <a href="https://lighthousedata.io/data/marketing-database-annual-degradation-22-5" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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