B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
81%
81% -- inbox placement rate for global email deliverability (H1 2011)
In the first half of 2011, the global inbox placement rate for emails was 81.0%.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
81%
Unit
Percentage
Data Vintage
H1 2011
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Return Path
Primary
Tier A
http://www.everlytic.co.za/how-return-paths-deliverability-report-affects-email-marketers/ ↗
Source Article
How return paths deliverability report affects email marketers
Original Research
Return Path
· Original study ↗
Methodology
Return Path Global Email Deliverability Benchmark, first half
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2025 | 83.5% | |
| H1 2011 (current) | 81% | -3.0% |
| H2 2011 | 76.5% | -5.6% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
global email deliverability: 81% inbox placement rate. Source: Return Path (H1 2011). Via Lighthouse Intelligence -- https://lighthousedata.io/data/inbox-placement-rate-h1-2011
HTML Embed
<blockquote cite="https://lighthousedata.io/data/inbox-placement-rate-h1-2011" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>81%</strong> -- inbox placement rate for global email deliverability<br><small>Source: Return Path (H1 2011) · <a href="https://lighthousedata.io/data/inbox-placement-rate-h1-2011" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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