B
Evidence Grade B
Safe to Cite
Current
42%
42% -- unsubscribe rate for subscribers (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
42%
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
95
Source Trust
90
Citation Chain
90
Independence
30
Methodology
30
Freshness
92
Source
Litmus
Primary
Tier A
https://www.litmus.com/blog/using-countdown-timers-to-boost-engagement/?utm_content=cta&utm_campaign… ↗
Source Article
Email Countdown Timers: Boost Engagement with Litmus
Key takeaways ✨- Countdown timers spark action through urgency. A ticking clock grabs attention and nudges people to click or buy before time runs out.
- Save countdown timers for true deadlines. They work best when something actually ends, like a sale, launch, or sign-up window.
- Pick the right ty…
Original Research
Litmus
· Original study ↗
Segmentation
Industrymarketing
RoleAll marketers
Channelemail
Cite this stat
Plain Text
subscribers: 42% unsubscribe rate. Source: Litmus (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/unsubscribe-rate-due-to-excessive-promotions
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<blockquote cite="https://lighthousedata.io/data/unsubscribe-rate-due-to-excessive-promotions" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>42%</strong> -- unsubscribe rate for subscribers<br><small>Source: Litmus (2026) · <a href="https://lighthousedata.io/data/unsubscribe-rate-due-to-excessive-promotions" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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