B Evidence Grade B Graded under review Safe to Cite Dated

40%

40% -- email open rate for Inside newsletters (2017)

Name: Email Open Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-21

2017 · Nieman Lab

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Attribution: Nieman Lab View source

Lighthouse Research Team

Last verified: 2026-09-26 · How we verify data →

Source verified Evidence graded

Value

40%

Unit

Percentage

Data Vintage

2017

Entity

Inside newsletters

Evidence Quality

Strong, reliable evidence

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

71/100 confidence

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (9)

Nieman Lab Primary Tier B

http://www.niemanlab.org/2017/08/inside-the-collection-of-industry-newsletters-continues-to-bet-on-e… ↗

Confidence: 76/100 Vintage: 2017 Channel: Common Crawl

Source Article

Inside, the collection of industry newsletters, continues to bet on email, the “largest social network”

Also cited by

practicalecommerce.com https://www.practicalecommerce.com/

2026-08-22

forbes.com https://www.forbes.com/

2026-08-22

brevo.com https://www.brevo.com/

2026-08-22

Whites Agency (Agencja Whites) https://www.agencjawhites.pl/performance-marketing

2026-09-18

Axioma&Co https://web.archive.org/web/20200920151112id_/https://axiomaco.com/proyectos/dan…

2026-09-04

Summry https://summry.io/pl/blog/too-many-newsletters

2026-09-25

Summry https://summry.io/id/blog/too-many-newsletters

2026-09-26

Growth Experts https://growthexperts.co/growing-your-newsletter-using-linkedin/

2026-09-26

Original Research

Nieman Lab · Original study ↗

Segmentation

IndustryMedia RoleAll marketers Channelemail

Cite this stat

Plain Text

Inside newsletters: 40% email open rate. Source: Nieman Lab (2017). Via Lighthouse Intelligence -- https://lighthousedata.io/data/inside-email-open-rates

HTML Embed

<blockquote cite="https://lighthousedata.io/data/inside-email-open-rates" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- email open rate for Inside newsletters<br><small>Source: Nieman Lab (2017) · <a href="https://lighthousedata.io/data/inside-email-open-rates" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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