B
Evidence Grade B
Graded
under review
Safe to Cite
Current
57%
57% -- share of data errors discovered by customers for businesses with dirty data (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
57%
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.be
Primary
Tier C
https://www.altares.be/en/blog/master-data-management/the-impact-of-dirty-data-the-facts-at-a-glance… ↗
Source Article
The impact of Dirty Data
Original Research
altares.be
· Original study ↗
Methodology
Research cited by Altares; original study not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
businesses with dirty data: 57% share of data errors discovered by customers. Source: altares.be (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/data-errors-spotted-by-customers
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<blockquote cite="https://lighthousedata.io/data/data-errors-spotted-by-customers" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>57%</strong> -- share of data errors discovered by customers for businesses with dirty data<br><small>Source: altares.be (2026) · <a href="https://lighthousedata.io/data/data-errors-spotted-by-customers" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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