B
Evidence Grade B
Graded
under review
Safe to Cite
Current
8
8 -- average donor retention duration for nonprofit regular donors (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
8
Unit
Duration Years
Data Vintage
2026
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
biddingowl.com
Primary
Tier C
https://www.biddingowl.com/en-us/learning-center/build-meaningful-donor-relationships ↗
Source Article
Building Lifelong Donor Relationships: Strategies for Nonprofits
Original Research
biddingowl.com
· Original study ↗
Methodology
Comparison group stays 1.68 years
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
nonprofit regular donors: 8 average donor retention duration. Source: biddingowl.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/regular-donors-stay-8-08-years
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<blockquote cite="https://lighthousedata.io/data/regular-donors-stay-8-08-years" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8</strong> -- average donor retention duration for nonprofit regular donors<br><small>Source: biddingowl.com (2026) · <a href="https://lighthousedata.io/data/regular-donors-stay-8-08-years" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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