B
Evidence Grade B
Graded
under review
Safe to Cite
Current
53%
53% -- referral volume lift for referral marketing messages (2026)
Messages that include an incentive for further referrals generate 53% more referrals.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
53%
Unit
Percentage
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
Science Says
Primary
Tier C
https://app.sciencesays.com/archive?404=/p/use-copy-boost-results&page=34 ↗
Source Article
Science Says
Original Research
Science Says
· Original study ↗
Methodology
Summary of business school research cited by Science Says; original study methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
referral marketing messages: 53% referral volume lift. Source: Science Says (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/referral-message-incentive-referral-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/referral-message-incentive-referral-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>53%</strong> -- referral volume lift for referral marketing messages<br><small>Source: Science Says (2026) · <a href="https://lighthousedata.io/data/referral-message-incentive-referral-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.