Email Marketing Statistics 2025

Email users worldwide, expected to grow to 4.73 billion by 2026

Of consumers check their email daily

Emails sent and received daily worldwide

Of small businesses use email marketing to reach customers

Average email open rate across industries

Of email views come from mobile devices

Average open rate for welcome emails

Increase in open rates when subject lines are personalized

Average email click-through rate

Average click-to-open rate

Average click-through rate for welcome emails

More clickthroughs generated by segmented emails

Average return for every $1 spent on email marketing

Of people purchase from marketing emails at least once per month

More revenue per recipient generated by automated flows

Average open rate for abandoned cart emails

Most effective day to send marketing emails

Optimal time window for sending emails

Higher open rate for image-based emails

Open rate for emails with preheaders (vs. 39.28% without)

Of people will delete emails not optimized for mobile

Of Millennials primarily use smartphones to check email

Increase in mobile clicks with responsive design

Of marketers implement mobile-friendly emails

Of marketers rate generative AI effective for email creation

Of marketers say generative AI is most helpful for creating email copy

Increase in click-through rates with AI-driven email marketing

Of marketers use AI/automation for email marketing