B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
25%
25% -- direct mail response likelihood for Existing customers (Marketing Mail) (2025)
Existing customers rated 25% of the Marketing Mail ads they received as very likely to get a response.
- Stated intention (rated 8-10 on a 10-point scale) rather than a measured response rate
Attribution:
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Lighthouse Research Team
Last verified:
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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
USPS
Primary
Tier B
https://www.mailpro.org/post/what-industries-use-direct-mail/ ↗
Source Article
What Industries Use Direct Mail: Key Sectors Explained
What Industries Use Direct Mail: Key Sectors Explained
Alec Boye, President, Mail Processing Associates
Which Industries Use Direct Mail the Most?
Financial companies send the most direct mail advertising to U.S. households, followed by merchants (stores and other retailers), social organizations su…
Original Research
USPS
· Original study ↗
Methodology
USPS Household Mail Survey; prospects rated 3%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Existing customers (Marketing Mail): 25% direct mail response likelihood. Source: USPS (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/existing-customer-mail-response-likelihood-2025
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<blockquote cite="https://lighthousedata.io/data/existing-customer-mail-response-likelihood-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- direct mail response likelihood for Existing customers (Marketing Mail)<br><small>Source: USPS (2025) · <a href="https://lighthousedata.io/data/existing-customer-mail-response-likelihood-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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