B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
30%
30% -- annual data decay rate for company CRM databases (2026)
Annually, 30% to 40% of the data in a company database changes.
- Reported as a general range of 30% to 40% annually without primary source citation
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
30%
Unit
Percentage
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Altares
Primary
Tier C
https://www.altares.be/en/blog/master-data-management/the-price-of-your-dirty-data-house/ ↗
Source Article
The price of your dirty data(house)
Original Research
Altares
· Original study ↗
Methodology
Range 30-40%; midpoint 35% used. No original study cited.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
company CRM databases: 30% annual data decay rate. Source: Altares (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/crm-data-decay-annual-rate
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<blockquote cite="https://lighthousedata.io/data/crm-data-decay-annual-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- annual data decay rate for company CRM databases<br><small>Source: Altares (2026) · <a href="https://lighthousedata.io/data/crm-data-decay-annual-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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