B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
64%
64% -- on time delivery rate for USPS first-class mail (Q4 2020)
USPS first-class mail had an on-time delivery rate of 64% during the period discussed around Q4 2020.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
64%
Unit
Percentage
Data Vintage
Q4 2020
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
USPS
Primary
Tier B
https://www.cdpcommunity.org/blog/2021/2/10/what-happens-to-fundraising-when-mail-stops-being-delive… ↗
Source Article
CDP Blog | What Happens To Fundraising When Mail Stops Being Delivered? We Just Found Out. — CDP
What Happens To Fundraising When Mail Stops Being Delivered? We Just Found Out.
A coworker recently told me that a holiday ornament he had ordered in early December was finally delivered by the United States Postal Service…at the end of January…broken.
If that story sounds analogous to your calendar…
Original Research
USPS
· Original study ↗
Methodology
USPS operational delivery performance data cited in CDP blog on direct mail fundraising
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
USPS first-class mail: 64% on time delivery rate. Source: USPS (Q4 2020). Via Lighthouse Intelligence -- https://lighthousedata.io/data/usps-first-class-mail-on-time-delivery-q4-2020
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<blockquote cite="https://lighthousedata.io/data/usps-first-class-mail-on-time-delivery-q4-2020" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>64%</strong> -- on time delivery rate for USPS first-class mail<br><small>Source: USPS (Q4 2020) · <a href="https://lighthousedata.io/data/usps-first-class-mail-on-time-delivery-q4-2020" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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