23 Email Marketing Statistics for Smarter Campaigns

Think email marketing is dead? Think again. Despite the rise of shiny new channels—TikTok ads, AI chatbots, psychic pigeons (okay, maybe not that last one)—email remains the king of ROI. But don’t just take our word for it. We’ve pulled together 23 email marketing statistics that’ll make even the most skeptical marketer say, “Okay, maybe I should check my Mailchimp login again.”

Whether you’re trying to prove email’s value to your boss, fine-tune your next campaign, or just love nerding out over data (we see you, spreadsheet warriors), this list has you covered.

Let’s dive into the numbers that show why your inbox is still the hottest real estate in marketing.

What Exactly Is Email Marketing?

Email marketing is pretty straightforward—it’s sending emails to your audience to build relationships and promote your brand. Simple, right? But here’s the trick: it's about sending the right emails, at the right time, to the right people. Good email marketing means delivering value, building trust, and ultimately converting subscribers into loyal customers.

Why Should You Care About Email Marketing?

It’s effective. Seriously effective. Email marketing has an unbeatable ROI, outperforming nearly every other marketing channel. Plus, it’s super cost-effective, easy to measure, and lets you chat directly with your audience. Whether you're aiming for brand awareness, direct sales, or nurturing leads, email marketing provides measurable results. If you haven’t started yet, you're missing out big time.

23 Must-Know Email Marketing Stats

Listen, email marketing isn’t dead—no matter how many trendy new platforms pop up. In fact, it's thriving, and here's the proof. These stats will help you supercharge your campaigns and connect better with your audience. Let's go;

1. Email User Numbers Keep Climbing

Did you know around 4.6 billion people will be using email this year. That’s over half the planet. Imagine the opportunities to connect with potential customers. Clearly, email’s relevance isn’t fading anytime soon. (Statista)

2. Average Email Open Rates Are Solid

The average open rate for emails is about 21.33%. If your open rates are hovering around or below this, try experimenting with different subject lines—something funny, intriguing, or personal to grab attention. (MailChimp)

3. Personalized Subject Lines Boost Opens Big-Time

Personalizing your emails can increase open rates by as much as 50%. A little personal touch, like using your subscriber's name, makes your emails feel friendly and less robotic. No one likes generic emails, right? (Zippia)

4. Click-Through Rates: Time for a Reality Check

The average click-through rate (CTR) is only around 2.3%. Not very exciting, huh? Improve this by including engaging content, clear calls-to-action, and visual elements. Give subscribers a compelling reason to click. (Campaign Monitor)

5. Most Emails Are Opened on Mobile—Are Yours Ready?

About 41% of emails are opened on mobile devices. If your emails don’t look great on a smartphone, you're missing out on tons of potential engagement. Ensure your emails are responsive and mobile-friendly. (HubSpot)

6. Subscribers Don’t Unsubscribe Often (If You Play It Smart)

The average unsubscribe rate is low at around 0.26%. Keep your subscribers happy by sending relevant content without overwhelming their inboxes. Balance is everything! (MailChimp)

7. Automation Is Everywhere—and for Good Reason

87% of marketers now use email automation. Automation helps save time, personalize content at scale, and drive higher engagement. Why work harder when you can work smarter? (HubSpot)

8. Incredible ROI from Email Marketing

Email marketing boasts a jaw-dropping ROI of up to $45 for every $1 spent. If you’re not already leveraging email, you're literally leaving money on the table. Segment and personalize your emails to achieve these results. (Statista)

9. Video in Emails = Clicks on Steroids

Including videos in emails can boost your click rates by 200-300%. People love videos because they're engaging, entertaining, and easier to digest. Start embedding short, engaging clips today! (Campaign Monitor)

10. Social Proof Turns Skeptics into Customers

Emails containing customer testimonials or reviews boost conversion rates by 15%. Nothing convinces better than real feedback from happy customers. Show off those glowing reviews! (OptinMonster)

11. Segmenting Emails Dramatically Increases Engagement

Segmented email campaigns see 14.31% higher open rates and an astonishing 100.95% more clicks. Tailor your emails to specific groups instead of sending generic blasts—your audience will thank you. (MailChimp via Inc.)

12. Shorter Sales Emails Get the Best Responses

Emails between 200-250 words receive the highest response rate at about 19%. Be clear, concise, and impactful to grab attention and drive action. (Reply.io)

13. Countdown Timers Create Urgency and Drive Action

Countdown timers can boost registrations and clicks by up to 30%. Urgency motivates action—use countdown timers strategically to encourage quick responses. (HubSpot)

14. B2B Emails Outperform B2C Emails

B2B emails generally enjoy a 2% higher click-to-open rate than B2C emails. Businesses prefer relevant, value-driven communications. Craft your B2B emails carefully and watch your engagement rise. (Emfluence)

15. Email Newsletters Are Still Hugely Popular

81% of marketers rely on newsletters to engage subscribers. They're perfect for delivering consistent, valuable content without pushing a hard sell every time. Keep your subscribers informed and interested! (Content Marketing Institute)

16. Mobile-Unfriendly Emails Get Deleted Quickly

Around 80% of people immediately delete emails not optimized for mobile. Don’t risk your message being ignored—make sure your emails look great on every screen. (Clever Tap)

17. Birthday Emails Get Clicked—A Lot

Birthday emails generate 179% higher click rates than regular promotional emails. Everyone loves special treatment on their birthday, especially when it comes with a sweet offer! (Campaign Monitor)

18. Fridays Are Email Marketing Gold

Emails sent on Fridays enjoy the highest open and click rates. It seems people are more likely to engage as they wind down their workweek—perfect timing for catching attention! (Campaign Monitor)

19. Welcome Emails Generate Huge Revenue

Welcome emails drive 320% more revenue per email compared to standard promotional emails. First impressions matter—make your welcome email count with engaging, helpful content. (Invesp)

20. After-Work Hours Boost Email Engagement

45% of email interactions happen during after-work hours. This suggests that people prefer reading emails when relaxed and not rushed. Adjust your timing accordingly! (Dynamic Yield)

21. Abandoned Cart Emails Bring Back Customers

Abandoned cart emails convert at an impressive rate of 18.54%. If someone leaves items in their cart, gently remind them and you'll likely win them back. (Brilliance)

22. One Clear CTA Maximizes Clicks

Emails with a single clear call-to-action see 371% more clicks. Avoid overwhelming your audience—keep your message focused, clear, and actionable. (Campaign Monitor)

23. Automated Emails: Your Revenue-Driving Superheroes

Automated emails generate 320% more revenue than traditional emails. Set up automated workflows to nurture leads and boost your sales effortlessly. (Campaign Monitor)

Conclusion

These email marketing statistics are more than numbers—they’re proof that email is far from dead. So get out there, jazz up your email campaigns, and watch the results roll in.