B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
43%
43% -- share citing excessive email frequency as primary unsubscribe reason for email subscribers (2025)
43% of people cite excessive email frequency as the primary reason for unsubscribing.
- Specific survey year not explicitly dated in source text
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
43%
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
20
Independence
30
Methodology
45
Freshness
95
Source
ZeroBounce
Primary
Tier B
https://blogherald.com/content-digital-publishing/n-the-psychology-of-the-unsubscribe-what-it-actual… ↗
Source Article
The psychology of the unsubscribe: what it actually means when someone leaves your list - The Blog Herald
Most email marketing metrics are abstract.
Open rates, click-through rates, conversion percentages — they are aggregates, statistical averages that describe a population of readers without any individual face. The unsubscribe is different. It registers as a specific person making a deliberate choice…
Original Research
ZeroBounce
· Original study ↗
Methodology
ZeroBounce survey data on unsubscribe reasons
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email subscribers: 43% share citing excessive email frequency as primary unsubscribe reason. Source: ZeroBounce (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/unsubscribe-reason-excessive-frequency
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<blockquote cite="https://lighthousedata.io/data/unsubscribe-reason-excessive-frequency" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>43%</strong> -- share citing excessive email frequency as primary unsubscribe reason for email subscribers<br><small>Source: ZeroBounce (2025) · <a href="https://lighthousedata.io/data/unsubscribe-reason-excessive-frequency" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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