B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
0.1%
0.1% -- acceptable spam complaint rate for Email marketers' spam complaint rate (industry benchmark set by leading inbox providers such as Gmail) (2024)
According to industry norms and benchmarks set by leading inbox providers like Gmail, an acceptable email spam complaint rate is below 0.1% (one complaint per 1,000 sent messages).
- Acceptable rate is specifically defined as anything below 0.1%
- Rates exceeding 0.1% are deemed high by inbox providers like Gmail
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
0.1%
Unit
Percentage
Data Vintage
2024
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
Gmail / leading inbox providers
Primary
Tier B
https://support.contactpigeon.com/article/14-minimizing-spam-complaints ↗
Source Article
What are spam complaints and how to minimize them
What are spam complaints and how to minimize them
Spam has steadily grown since the early 1990s and is a real issue in the email community. As a result, the spam filter algorithm has evolved accordingly to improve the quality of incoming emails, by removing unsolicited spam and potential viruses. Av…
Original Research
Gmail / leading inbox providers
· Original study ↗
Methodology
Article states rates above 0.1% are deemed high; equivalent to one complaint per 1,000 sent messages
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email marketers' spam complaint rate (industry benchmark set by leading inbox providers such as Gmail): 0.1% acceptable spam complaint rate. Source: Gmail / leading inbox providers (2024). Via Lighthouse Intelligence -- https://lighthousedata.io/data/acceptable-spam-complaint-rate-benchmark
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<blockquote cite="https://lighthousedata.io/data/acceptable-spam-complaint-rate-benchmark" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.1%</strong> -- acceptable spam complaint rate for Email marketers' spam complaint rate (industry benchmark set by leading inbox providers such as Gmail)<br><small>Source: Gmail / leading inbox providers (2024) · <a href="https://lighthousedata.io/data/acceptable-spam-complaint-rate-benchmark" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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