Email Statistics

11 Key Email Marketing Statistics for Success in 2023

October 19, 2023

Email marketing remains a cornerstone of digital marketing strategies, offering businesses an effective way to reach their target audience. In 2023, email marketing is more important than ever, and understanding the key statistics is crucial for any successful campaign. Let’s look at 11 key email marketing statistics that can help you fine-tune your email strategies and achieve better results.  

1. Email Open Rates

Average Open Rate: The average email open rate across all industries is around 20.81% (2021 data). Keep in mind that this number can vary significantly depending on your specific industry and audience.

Mobile Opens: Over 60% of email opens occur on mobile devices. This highlights the importance of optimizing emails for mobile users.

Best Days to Send Emails: Tuesdays and Thursdays tend to have the highest open rates, but the optimal day can vary depending on your target audience.  

2. Click-Through Rates (CTR)

Average CTR: The average CTR for email campaigns is approximately 3.43%. However, the CTR can be much higher for well-targeted, relevant emails.

Personalization: Personalized emails have a 14% higher CTR than non-personalized ones. Personalization can significantly boost engagement.

Subject Line Length: Subject lines with 6-10 words tend to have the highest CTR, showing the value of concise and impact messaging.  

3. Conversion RatesCritical Impact Statistical Reports

Conversion Rate: On average, email marketing has a conversion rate of 1.55%. However, this rate can vary widely based on the quality of your email content and your target audience.

Abandoned Cart Emails: These emails have a significant impact, with an average conversion rate of around 18.64%.

Welcome Emails: Welcome emails have an average conversion rate of 0.94%, making them a valuable tool for engaging new subscribers.  

4. List Growth

List Growth Rate: The average email list grows by 5% every month. Building a healthy email list is essential for the long-term success of your email marketing campaigns.

Opt-in Methods: 53% of email subscribers sign up for email lists through online forms, while 22% sign up in-store. Understanding how your audience prefers to opt-in can help you tailor your approach.  

5. Engagement and Segmentation

Segmentation: Segmented email campaigns have a 14.31% higher open rate than non-segmented ones. Segmenting your list based on user behavior and preferences is crucial.

Engagement Over Time: The probability of a subscriber opening your email decreases by 24% after 24 hours. Encouraging timely engagement is key.  

6. Email Design

Responsive Design: 74.93% of emails are responsive, ensuring they display properly on all devices.

Images: Emails with images have a 42% higher CTR than text-only emails. Use visuals wisely to enhance your message.

Dark Mode: 82.7% of email clients support dark mode. Designing emails to look appealing in both light and dark modes is a smart move.  

7. Email Content

Newsletter Frequency: Marketers sending one email newsletter per week see an average open rate of 24.79%. The ideal frequency can vary based on your audience’s preferences.

Content Length: Emails with approximately 50-125 words have the highest response rates. Keep your content concise and to the point.

Video Content: Emails with video can increase click rates by 300%. Video is a powerful tool for engaging subscribers.  

8. Email Deliverability

Spam Rate: In 2021, the average spam rate was 15.56%. Ensuring your emails don’t end up in the spam folder is crucial for a successful campaign.

Email Authentication: Implementing DMARC, SPF, and DKIM protocols can improve deliverability and reduce the chances of your emails being flagged as spam.  

9.  Personalization and Automation

Automation: Automated emails account for 26% of all email marketing revenue. Automation can save time and improve engagement.

Personalization: Personalized email campaigns generate 6 times higher transaction rates. Leveraging user data for personalization can significantly boost your results.  

10. ROI and Email Marketing

Email ROI: On average, every $1 spent on email marketing generates $42 in return. Email marketing continues to be one of the most cost-effective channels.

Preferred Communication Channel: 72% of consumers prefer to receive promotional content via email, making it their preferred channel.  

11. Compliance and Regulation

GDPR Compliance: Fines for GDPR non-compliance can be substantial, so it’s crucial to understand and adhere to data protection regulations in your region.

CASL: Canada’s anti-spam legislation (CASL) is the federal law dealing with spam and other electronic threats. It is meant to protect Canadians while ensuring that businesses can continue to compete in the global marketplace.

CAN-SPAM Act: Understanding and following the CAN-SPAM Act in the United States is essential to avoid legal repercussions.  


Email marketing remains a powerful tool for businesses looking to connect with their audience. These email marketing statistics highlight the importance of strategy, personalization, and relevance in your campaigns. By staying informed about industry trends and best practices, you can harness the full potential of email marketing to drive engagement and boost your ROI in 2023 and beyond. Remember that these statistics provide a foundation, but successful email marketing often requires ongoing testing and refinement to align with your specific goals and audience.

So, as you continue to craft your email marketing strategy, use these insights to guide your decision-making and watch your email campaigns thrive in the ever-evolving digital landscape.

Until next time, keep those emails rolling! – Jim

  Jim Gibbs Jim Gibbs, Senior Account Executive at Critical Impact

Why not book a demo with Jim now to see the benefits of Critical Impact?  


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Sources: Porch Group Media, Smart Insights, Hubspot Blog