B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
25%
25% -- annual contact data decay rate for B2B contact data (2025)
B2B contact data decays at an annual rate of 25% to 30% without active maintenance.
- Reported as a range (25-30%) without active maintenance
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
25%
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
75
Source Trust
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
ZoomInfo
Primary
Tier B
https://www.datamagnet.co/post/measure-roi-data-quality-investment/ ↗
Source Article
How to Calculate Data Quality ROI: A 2026 Step-by-Step Guide
Disclosure: This article is published by Datamagnet. Vendor claims are self-reported unless otherwise noted.
How to Calculate the ROI of a Data Quality Investment
Poor data quality costs the average organization $12.9 million a year (Gartner). If your CFO just asked why the team needs another tool t…
Original Research
ZoomInfo
· Original study ↗
Methodology
Range 25-30%; midpoint extracted. ZoomInfo research cited by Datamagnet
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
B2B contact data: 25% annual contact data decay rate. Source: ZoomInfo (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/b2b-contact-data-decay-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/b2b-contact-data-decay-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- annual contact data decay rate for B2B contact data<br><small>Source: ZoomInfo (2025) · <a href="https://lighthousedata.io/data/b2b-contact-data-decay-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.