B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
9.3%
9.3% -- likelihood of volunteering increase for US donors who gave in previous year (2025)
Individuals who gave in a previous year were 9.3% more likely to volunteer the following year.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
9.3%
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Indiana University Lilly Family School of Philanthropy
Primary
Tier A
https://www.bwf.com/what-giving-usas-generations-and-giving-report-reveals-about-building-lasting-do… ↗
Source Article
What Giving USA’s Generations and Giving Special Report Reveals About Building Lasting Donor Relationships - BWF Zuri
How nonprofits can better support connection, engagement, and long-term generosity across generations.
In recent years, many nonprofits have experienced a growing tension between how donors want to engage and how fundraising programs are traditionally structured. Annual giving teams are navigating s…
Original Research
Indiana University Lilly Family School of Philanthropy
· Original study ↗
Methodology
Giving USA Generations and Giving Special Report, Indiana University Lilly Family School of Philanthropy
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US donors who gave in previous year: 9.3% likelihood of volunteering increase. Source: Indiana University Lilly Family School of Philanthropy (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/giving-increases-volunteering-likelihood-2025
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<blockquote cite="https://lighthousedata.io/data/giving-increases-volunteering-likelihood-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9.3%</strong> -- likelihood of volunteering increase for US donors who gave in previous year<br><small>Source: Indiana University Lilly Family School of Philanthropy (2025) · <a href="https://lighthousedata.io/data/giving-increases-volunteering-likelihood-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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