B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
0.2%
0.2% -- sales lift from word of mouth volume increase for word-of-mouth marketing (2026)
A 10% increase in word-of-mouth volume can lift sales by 0.2% (lower bound of 0.2% to 1.5% range).
- Part of a range spanning 0.2% to 1.5%
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
0.2%
Unit
Percentage
Data Vintage
2026
Entity
Geography
Global
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
Word-of-mouth statistics roundup (unnamed)
Primary
Tier C
https://viralref.com/blog/word-of-mouth-marketing-examples ↗
Source Article
10 Word of Mouth Marketing Examples for 2026
10 Word of Mouth Marketing Examples for 2026
See 10 real word of mouth marketing examples for salons, spas & studios. Learn tactics to get more clients and automate growth with your Square POS.
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You hear it all the time. A new client walks in and says, "My friend Sarah …
Original Research
Word-of-mouth statistics roundup (unnamed)
· Original study ↗
Methodology
Range reported; midpoint used. Studies cited in a word-of-mouth statistics roundup averaging around 1.5%.
Methodology documented
Segmentation
IndustryB2C
RegionGlobal
RoleAll marketers
Channelword_of_mouth
Cite this stat
Plain Text
word-of-mouth marketing: 0.2% sales lift from word of mouth volume increase. Source: Word-of-mouth statistics roundup (unnamed) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/wom-volume-lift-sales-0-2-1-5
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<blockquote cite="https://lighthousedata.io/data/wom-volume-lift-sales-0-2-1-5" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.2%</strong> -- sales lift from word of mouth volume increase for word-of-mouth marketing<br><small>Source: Word-of-mouth statistics roundup (unnamed) (2026) · <a href="https://lighthousedata.io/data/wom-volume-lift-sales-0-2-1-5" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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