Research & Industry Intelligence

Clearout Insights

Explore original research, industry statistics, and data-driven insights on email deliverability, lead generation, and data quality. Discover meaningful trends, industry benchmarks, and practical findings to make more informed decisions.

Latest research

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Email DeliverabilityCold Email Statistics 2026
Featured ResearchEmail DeliverabilityClearout data

Cold Email Statistics 2026

Explore the latest cold email statistics, performance benchmarks, and trends, supported by the research methodology outlined in the report.

Key findingsOnly 29.31% of 49M verified cold email addresses were safe to send25.46% were invalid and 23.61% returned unknown at the mailbox levelGibberish addresses (8.4%) were 65 times more common than disposable (0.13%)
Methodology & credibility

Research Backed by Data

Our research combines original analysis, industry data, and practical insights to help businesses understand trends in email communication, lead generation, and data quality. Each study outlines its methodology and sources to provide transparency into its findings.

  1. 01

    Sources cited in every study

    Each report lists the industry data and studies it draws on.

  2. 02

    Methodology explained

    How data was collected, its scope and sample size where applicable.

  3. 03

    Clearout data vs. sourced research

    Every report is labelled so readers know which findings come from Clearout's own data.

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