B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

22%

22% -- marketers reporting open rate accuracy impact for Apple Email Privacy Protection (2026)

Name: Marketers Reporting Open Rate Accuracy Impact Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-20

2026 · HubSpot

HubSpot research found that 22% of marketing professionals report that Apple's Email Privacy Protection feature impacts the accuracy of open rate reporting, particularly on mobile.

Particularly noted on mobile open rates

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Attribution: HubSpot View source

Lighthouse Research Team

Last verified: 2026-09-20 · How we verify data →

Source verified Evidence graded

Value

22%

Unit

Percentage

Data Vintage

2026

Entity

Apple Email Privacy Protection

Evidence Quality

Strong, reliable evidence

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

63/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

HubSpot Primary Tier A

http://blog.hubspot.com/blog/tabid/6307/bid/33909/The-Dangers-of-Marketing-Metrics-Dependency.aspx ↗

Confidence: 74/100 Vintage: 2026 Channel: Common Crawl

Source Article

The Dangers of Marketing Metrics Dependency

Original Research

HubSpot · Original study ↗

Methodology

HubSpot research survey of marketing professionals

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Apple Email Privacy Protection: 22% marketers reporting open rate accuracy impact. Source: HubSpot (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/apple-privacy-open-rate-accuracy-22

HTML Embed

<blockquote cite="https://lighthousedata.io/data/apple-privacy-open-rate-accuracy-22" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- marketers reporting open rate accuracy impact for Apple Email Privacy Protection<br><small>Source: HubSpot (2026) · <a href="https://lighthousedata.io/data/apple-privacy-open-rate-accuracy-22" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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