42% -- email open rate lift for emails with personalized subject lines (2017)

Name: Email Open Rate Lift Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-05

2017 · MMA Global (Mobile Marketing Association)

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Attribution: MMA Global (Mobile Marketing Association) View source

Lighthouse Research Team

Last verified: 2026-09-05 · How we verify data →

Source verified Evidence graded

Value

42%

Unit

Percentage

Data Vintage

2017

Entity

emails with personalized subject lines

Evidence Quality

Strong, reliable evidence

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

64/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

MMA Global (Mobile Marketing Association) Primary Tier B

http://www.mmaglobal.com/articles/how-value-exchange-can-transform-your-emails-engagement-machines ↗

Confidence: 71/100 Vintage: 2017 Channel: Common Crawl

Source Article

How Value Exchange Can Transform Your Emails into Engagement Machines

Original Research

MMA Global (Mobile Marketing Association) · Original study ↗

Methodology

Article states personalized subject lines can increase open rates by 42 percent; no original study attributed in the article.

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

emails with personalized subject lines: 42% email open rate lift. Source: MMA Global (Mobile Marketing Association) (2017). Via Lighthouse Intelligence -- https://lighthousedata.io/data/personalized-subject-line-open-rate-lift

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<blockquote cite="https://lighthousedata.io/data/personalized-subject-line-open-rate-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>42%</strong> -- email open rate lift for emails with personalized subject lines<br><small>Source: MMA Global (Mobile Marketing Association) (2017) · <a href="https://lighthousedata.io/data/personalized-subject-line-open-rate-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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