Email Marketing Statistics

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Email marketing remains one of the most powerful and cost-effective digital marketing channels, delivering an impressive return on investment (ROI) of $36 for every $1 spent. With over 4.3 billion global email users and daily email volume projected to reach 376 billion by 2024, businesses have a massive opportunity to engage and convert their audiences through targeted email campaigns.

Segmentation, automation, and personalization are key drivers of email marketing success. Segmented campaigns generate 760% more revenue than non-segmented ones, while automated emails produce 320% more revenue than traditional batch emails. Personalized subject lines alone can increase open rates by 26%, demonstrating the impact of tailored messaging.

Beyond engagement, email marketing significantly influences consumer behavior—shoppers spend 128% more when purchasing through email promotions. However, marketers must continuously optimize their strategies, as email lists degrade by about 22.5% annually, requiring ongoing list-building efforts.

This article explores the latest email marketing statistics, highlighting best practices, trends, and key insights that can help businesses maximize their email marketing performance and drive higher conversions.

  1. Global Email Users: As of 2021, there are 4 billion daily email users, with this number expected to reach 4.6 billion by 2025. blog.hubspot.com
  2. Daily Emails Sent: Over 347 billion emails are sent and received each day. blog.hubspot.com
  3. Email Marketing Revenue: In 2024, email marketing revenue was projected to surpass $9.5 billion globally. statista.com
  4. Return on Investment (ROI): Email marketing delivers an average ROI of $36 for every $1 spent. blog.hubspot.com
  5. Marketer Adoption: 31% of marketers utilize email marketing as part of their strategies. blog.hubspot.com
  6. Small Business Usage: 64% of small businesses leverage email marketing to reach customers. blog.hubspot.com
  7. Personalization Impact: Emails with personalized subject lines are 26% more likely to be opened. campaignmonitor.com
  8. Segmentation Benefits: Marketers have observed a 760% increase in revenue from segmented campaigns. campaignmonitor.com
  9. Automation Efficiency: Automated emails generate 320% more revenue than non-automated emails. campaignmonitor.com
  10. Transactional Email Performance: Transactional emails achieve 8 times more opens and clicks than other emails and can generate 6 times more revenue. campaignmonitor.com
  11. Lead Nurturing: Nurtured leads make 47% larger purchases compared to non-nurtured leads. campaignmonitor.com
  12. List Segmentation Importance: 78% of marketers state that list segmentation is the marketing automation feature they can’t live without. campaignmonitor.com
  13. Abandoned Cart Emails: Customers receiving automated abandoned shopping cart emails are 2.4 times more likely to complete their purchase. campaignmonitor.com
  14. Marketing Automation Adoption: 55% of companies are currently using marketing automation. campaignmonitor.com
  15. Email-Driven Revenue: Email marketing drives an average of $44 for every $1 spent. campaignmonitor.com
  16. Targeted Campaign ROI: 77% of email ROI comes from segmented, targeted, and triggered campaigns. campaignmonitor.com
  17. Budget Allocation: 87% of marketers plan to invest more in their email marketing budget. campaignmonitor.com
  18. Automated Email Conversion Rates: Automated emails drive conversion rates 180% higher than batch emails. campaignmonitor.com
  19. Email vs. Direct Mail ROI: Email marketing’s ROI is 28.5% compared to 7% for direct mail. campaignmonitor.com
  20. Email vs. Social Media Conversions: Email marketing produces an average of 174% more conversions than social media. campaignmonitor.com
  21. Mobile Email Open Rates: Emails opened on mobile devices account for 46% of all email opens. campaignmonitor.com
  22. Best Day for Open Rates: Monday has the highest email open rates at 22.0%. campaignmonitor.com
  23. Best Day for Click-Through Rates: Tuesday achieves the highest click-through rates at 2.4%. campaignmonitor.com
  24. Average Open Rate: Most marketers report an average email open rate of 46-50%. blog.hubspot.com
  25. Average Click-Through Rate (CTR): The average email click-through rate is between 2.6% and 3%. blog.hubspot.com
  26. Global Email Users: As of 2023, there are approximately 4.3 billion email users worldwide, accounting for more than half of the global population. porchgroupmedia.com
  27. Daily Emails Sent: By 2024, the daily number of emails sent globally is projected to reach 376 billion. wix.com
  28. Email Marketing Revenue: Email marketing revenue worldwide is expected to reach $17.9 billion by 2027. sixthcitymarketing.com
  29. Average Open Rate: Across all industries, the average email open rate was 32.55% as of August 2024. constantcontact.com
  30. Click-Through Rate (CTR): In 2024, the average marketing email click-through rate was 2.62%. shopify.com
  31. Consumer Spending from Emails: Consumers spend 128% more when shopping through email offers compared to other channels. shopify.com
  32. Mobile Email Opens: As of 2023, 46% of all email opens occur on mobile devices. mailchimp.com
  33. Personalized Subject Lines: Emails with personalized subject lines are 26% more likely to be opened. mailchimp.com
  34. Segmentation Impact: Marketers have noted a 760% increase in revenue from segmented email campaigns. mailchimp.com
  35. Automated Email Performance: Automated emails generate 320% more revenue than non-automated emails. mailchimp.com
  36. Transactional Email Engagement: Transactional emails achieve 8 times more opens and clicks than other types of emails and can generate 6 times more revenue. mailchimp.com
  37. Lead Nurturing Benefits: Nurtured leads make 47% larger purchases compared to non-nurtured leads. mailchimp.com
  38. Marketing Automation Usage: 55% of companies are currently using marketing automation in their email strategies. mailchimp.com
  39. ROI from Email Marketing: Email marketing delivers an average return on investment (ROI) of $36 for every $1 spent. hubspot.com
  40. Targeted Campaign Success: 77% of email ROI comes from segmented, targeted, and triggered campaigns. mailchimp.com
  41. Budget Increases: 87% of marketers plan to invest more in their email marketing budgets. mailchimp.com
  42. Conversion Rates: Email marketing is one of the most effective channels for driving conversions, with a 2.8% conversion rate for B2C brands and a 2.4% conversion rate for B2Bs. hubspot.com
  43. Best Day for Open Rates: Monday has the highest email open rates at 22.0%. mailchimp.com
  44. Best Day for Click-Through Rates: Tuesday achieves the highest click-through rates at 2.4%. mailchimp.com
  45. Bounce Rates: The average bounce rate for marketing emails across all industries is 10.31%. constantcontact.com
  46. Unsubscribe Rates: The average unsubscribe rate for marketing emails is 0.1%. sixthcitymarketing.com
  47. Mobile-Friendly Emails: Emails optimized for mobile devices are 15% more likely to be read. mailchimp.com
  48. Email List Growth: On average, email lists degrade by about 22.5% each year, highlighting the need for continuous list building. mailchimp.com
  49. Abandoned Cart Emails: Customers receiving automated abandoned shopping cart emails are 2.4 times more likely to complete their purchase. mailchimp.com
  50. Email Marketing Adoption: 64% of small businesses utilize email marketing to reach customers. hubspot.com

Email marketing continues to evolve, with automation, segmentation, and personalization leading the way in driving engagement and conversions. Businesses that implement targeted and data-driven strategies can see significant results, as 77% of email marketing ROI comes from segmented, triggered, and targeted campaigns.

With mobile devices accounting for nearly half of all email opens, optimizing for mobile responsiveness is crucial. Additionally, marketers should focus on list hygiene, re-engagement campaigns, and strategic timing—Monday sees the highest open rates (22%), while Tuesday delivers the best click-through rates (2.4%).

As businesses increase their investment in email marketing, those that leverage the latest trends and insights will gain a competitive edge, strengthening customer relationships and maximizing revenue potential in the digital landscape.

Tony Zayas, Author

Written by: Tony Zayas, Chief Revenue Officer

In my role as Chief Revenue Officer at Insivia, I am at the forefront of driving transformation and results for SaaS and technology companies. I lead strategic marketing and business development initiatives, helping businesses overcome plateaus and achieve significant growth. My journey has led me to collaborate with leading businesses and apply my knowledge to revolutionize industries.