B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
30%
30% -- data decay rate for B2B contact data (2026)
30% of B2B contact data becomes outdated annually due to job changes, company closures, and email migrations.
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.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
70
Methodology
45
Freshness
81
Source
La Growth Machine
Primary
Tier A
https://lagrowthmachine.com/lead-generation-database-2026/ ↗
Source Article
How to Use an Email Finder Tool (2026 Guide)
How to Use an Email Finder Tool Without Destroying Your Sender Reputation
You launch a sequence, bounces pile up, your domain reputation drops, and suddenly even legitimate emails start landing in spam. That's what happens when you use an email finder tool and skip verification. The industry rule is…
Original Research
La Growth Machine
· Original study ↗
Methodology
Reported annual decay rate of B2B contact data.
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2023 | 30% | |
| 2026 (current) | 30% | 0% |
| 2026 (current) | 22.5% | -25.0% |
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
B2B contact data: 30% data decay rate. Source: La Growth Machine (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/data-decay-30
HTML Embed
<blockquote cite="https://lighthousedata.io/data/data-decay-30" 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: La Growth Machine (2026) · <a href="https://lighthousedata.io/data/data-decay-30" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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