B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
10%
10% -- share of nonprofits with endowment for US nonprofits (2025)
About 10% of nonprofits report having an endowment fund.
- Approximation ("about 10%")
- Based on self-reporting
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
10%
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
20
Independence
30
Methodology
45
Freshness
95
Source
NBER (Lo, Matveyev, Zeume)
Primary
Tier B
https://www.ccsfundraising.com/insights/all-endowment-fundraising-campaign/ ↗
Source Article
How to Know If an All-Endowment Fundraising Campaign Is Right for Your Organization - CCS Fundraising
Committing to an all-endowment campaign can be one of the most consequential fundraising decisions an organization makes. Endowments promise long-term stability and can act as a financial anchor through economic shifts, funding uncertainties, and changing public support patterns. Research shows that…
Original Research
NBER (Lo, Matveyev, Zeume)
· Original study ↗
Methodology
Research study cited by CCS Fundraising; original source Lo, Matveyev, and Zeume NBER working paper on nonprofit endowment funds
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US nonprofits: 10% share of nonprofits with endowment. Source: NBER (Lo, Matveyev, Zeume) (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/nonprofits-with-endowment-share-2025
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<blockquote cite="https://lighthousedata.io/data/nonprofits-with-endowment-share-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10%</strong> -- share of nonprofits with endowment for US nonprofits<br><small>Source: NBER (Lo, Matveyev, Zeume) (2025) · <a href="https://lighthousedata.io/data/nonprofits-with-endowment-share-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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