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

43%

43% -- email address decay rate for B2B contact data (2026)

Name: Email Address Decay Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-10-01

2026 · ZoomInfo

B2B email addresses decay at an annual rate of roughly 43%.

Secondary citation of ZoomInfo vendor data

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Attribution: ZoomInfo View source

Lighthouse Research Team

Last verified: 2026-10-01 · How we verify data →

Source verified Evidence graded

Value

43%

Unit

Percentage

Data Vintage

2026

Entity

B2B contact data

Evidence Quality

Strong, reliable evidence

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

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

ZoomInfo Primary Tier C

https://pipeline.zoominfo.com/marketing/b2b-data-decay ↗

Confidence: 55/100 Vintage: 2026 Channel: Deep Crawl

Source Article

Building an Enrichment Cache Layer: Cut Redundant API Costs (2026)

Disclosure: This article is published by Datamagnet. Vendor claims are self-reported unless otherwise noted. Building an Enrichment Cache Layer: Reduce API Costs by 60% Most enrichment pipelines call the same API for the same record over and over — once on capture, again on CRM sync, again before a …

Original Research

ZoomInfo · Original study ↗

Methodology

Vendor data decay analysis cited by Datamagnet; secondary source

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

B2B contact data: 43% email address decay rate. Source: ZoomInfo (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/b2b-email-decay-rate-2026

HTML Embed

<blockquote cite="https://lighthousedata.io/data/b2b-email-decay-rate-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>43%</strong> -- email address decay rate for B2B contact data<br><small>Source: ZoomInfo (2026) · <a href="https://lighthousedata.io/data/b2b-email-decay-rate-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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