B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
30%
30% -- data decay rate for B2B contact data (2023)
Nearly 30% of B2B contact data decays each year.
- Described variously as 'nearly 30%' and 'up to 30%' across the text
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
30%
Unit
Percentage
Data Vintage
2023
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.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
70
Methodology
45
Freshness
83
Source
Allegrow
Primary
Tier A
https://www.allegrow.co/knowledge-base/crm-data-cleansing-guide ↗
Source Article
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Original Research
Allegrow
· Original study ↗
Methodology
Industry data analysis
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2023 (current) | 30% | |
| 2026 | 30% | 0% |
| 2026 | 22.5% | -25.0% |
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
B2B contact data: 30% data decay rate. Source: Allegrow (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/b2b-data-decay-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/b2b-data-decay-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- data decay rate for B2B contact data<br><small>Source: Allegrow (2023) · <a href="https://lighthousedata.io/data/b2b-data-decay-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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