B Evidence Grade B Graded under review Safe to Cite Recent

3 -- email roi increase for email campaigns (2025)

Name: Email ROI Increase Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-16

2025 · Klaviyo

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Attribution: Klaviyo View source

Lighthouse Research Team

Last verified: 2026-08-16 · How we verify data →

Source verified Evidence graded

Value

Unit

Multiple

Data Vintage

2025

Entity

email campaigns

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

73/100 confidence

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (5)

Klaviyo Primary Tier B

https://maildrip.io/strategies-reduce-unsubscribe-rates/ ↗

Confidence: 53/100 Vintage: 2025 Channel: Deep Crawl

Source Article

8 Best Strategies To Reduce Email Unsubscribe Rates

According to HubSpot, 34% of email subscribers unsubscribe due to high email frequency. It’s a staggering statistic highlighting the importance of effective strategies to reduce email unsubscribe rates. An email unsubscribe rate is the percentage of users who opted out of receiving a sender’s email.…

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Original Research

Klaviyo · Original study ↗

Methodology

Source: Klaviyo

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

email campaigns: 3 email roi increase. Source: Klaviyo (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/klaviyo-email-segmentation-roi

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<blockquote cite="https://lighthousedata.io/data/klaviyo-email-segmentation-roi" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>3</strong> -- email roi increase for email campaigns<br><small>Source: Klaviyo (2025) · <a href="https://lighthousedata.io/data/klaviyo-email-segmentation-roi" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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