Email marketing remains one of the most effective digital marketing strategies, offering businesses direct access to their audience and delivering high returns on investment. With billions of users worldwide and trillions of emails sent annually, the importance of email marketing continues to grow.
Businesses of all sizes have come to understand the necessity of maintaining and growing their email lists. However, with so many email marketing statistics floating around, it’s easy to get lost in outdated or unreliable data.
To keep you informed, we’ve compiled the most up-to-date and relevant email marketing statistics for 2025 from credible sources like Statista, Backlinko, and OptinMonster.
📊 25 Updated Email Marketing Statistics for 2025
Email Usage & Growth
Global Email Users
The number of email users worldwide reached approximately 4.37 billion in 2023 and is expected to continue growing. Statista
Emails Sent Daily
In 2024, over 376 billion emails were sent every day, with projections reaching 408 billion by 2027. OptinMonster
Email Marketing Revenue
Email marketing revenue is expected to surpass $9.5 billion in 2024 as businesses continue investing in it. Statista
Email Performance & Engagement
Email Open Rates
The average email open rate across industries was 30% in 2023. Source: Statista
ROI Growth
52% of marketing professionals reported double ROI from email marketing campaigns in 2023. Statista
Key Email Marketing Metrics
Besides open rates, marketers now prioritize conversion rates and click-through rates for email performance evaluation. Statista
Primary Email Marketing Goals
55% of marketers identified audience growth as their main email marketing objective in 2023. Statista
Personalization & Automation Trends
Consumers open emails based on personalization, sender name, and subject line relevance. Statista
Automated e-commerce emails, such as welcome messages, have the highest conversion rates. Statista
20% of marketers saw no difference in email performance when incorporating AI into their strategies. Statista
Mobile & Email Frequency
81% of emails are opened on mobile devices, reinforcing the need for mobile-optimized email designs. Backlinko
Emails with personalized subject lines are 26% more likely to be opened. OptinMonster
Segmented email campaigns have 14.31% higher open rates compared to non-segmented ones. Statista
The average email unsubscribe rate in 2023 was 0.1%, showing stable audience retention. Backlinko
The average email click-through rate (CTR) across industries was 2.62% in 2023. Statista
Email Deliverability & Spam
45.1% of all emails sent in 2023 were classified as spam, emphasizing the need for email authentication. Statista
The average email deliverability rate in 2023 was 83%, meaning 17% of emails never reached inboxes. OptinMonster
35% of marketers reported that Tuesday was the best day for sending email campaigns. Backlinko
Ecommerce & Transactional Emails
For every $1 spent on email marketing, businesses see an average return of $42. Backlinko
Sending three abandoned cart emails results in 69% more recovered orders than sending just one. Statista
Welcome emails have an 82% open rate, making them an essential part of onboarding. Backlinko
49% of consumers prefer to receive promotional emails weekly. Statista
Emails with images see a 42% higher CTR than plain text emails. Backlinko
58% of email marketers prioritize accessibility, ensuring emails can be read by all users. Statista
Triggered emails see 624% higher conversions compared to batch-sent emails. OptinMonster
Conclusion
These 2025 email marketing statistics show why email continues to be a powerhouse for engagement, conversions, and revenue. Staying ahead of these trends can help businesses improve deliverability, increase engagement, and optimize conversions.
Want to improve your email marketing? Start testing segmentation, personalization, and automation today.
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