Email marketing remains one of the most effective ways for businesses, large and small, to connect with their audience. However, are businesses leveraging it to its full potential?
In this article, discover the key statistics for email marketing in 2025. You can refer to them to improve your campaigns and accelerate your business growth.
Understanding these statistics is essential for improving your email and maximizing your marketing ROI. Data such as open rates, click-through rates, and conversion rates provide insights into your email performance . Analyzing these metrics allows you to adjust your content, sending timing, and target audience to achieve better results.
General email marketing statistics
1 – Emails sent: In 2024, the world saw approximately 333 billion emails sent and received daily. Projections indicate that this number will increase to 392.5 billion emails per day by 2026 (Statista | 2023).
2 – Email users: In 2024, the global number of email users reached 4.26 billion and is expected to increase to 4.73 billion by 2026 (Statista | 2023).
3 – Emails sent by country: In 2023, the United States, the United Kingdom, India, Japan and Belgium were among the countries with a notable daily volume of emails (Statista | 2023).
4 – Spam: In December 2024, more than 45% of email traffic consisted of unsolicited messages (Statista | 2023).
5 – Email Marketing Revenue: In 2020, the global email marketing market was valued at US$7.5 billion. This figure was projected to reach US$17.9 billion by 2027, with a projected compound annual growth rate (CAGR) of 13.3% during this period (Statista | 2021).
6 – Email marketing budget: According to a survey conducted between February and March 2024, marketing directors of large companies in North America, the UK, Germany and France revealed that 10.1% of their online marketing budget was allocated to social media advertising, 9.8% to search, and 9.3% to digital display advertising (Statista | 2024).
Open rate and click-through rate
7 – Average open rate: The average open rate across all industries is 21.33% (MailChimp | 2019).
8 – Impact of subject lines: 64% of recipients decide whether to open or delete emails based on the subject lines (Finances Online | 2023).
9 – Engaging subject lines: 1/3 of users choose to open emails because of engaging subject lines (Finances Online | 2023).
10 – Best days: The day with the highest open rate is Monday, with a rate of 22.0%. The day with the highest click-through rate is Tuesday, with a rate of 2.4% (Campaign Monitor | 2021).
Email deliverability
11 – Average deliverability rate: The average deliverability rate is 85.7%. Approximately 14.3% of emails never reach their intended destination (emailtooltester | 2023).
12 – Good deliverability rates: A deliverability rate of 89% is considered good (emailtooltester | 2023).
13 – Acceptable rates: Deliverability rates of 88% to 83% are considered acceptable. Any rate below this is considered low (emailtooltester | 2023).
Email personalization
14 – Effective Strategies: The email marketing campaigns include subscriber segmentation (78%), message personalization (72%), and email automation campaigns (71%) (HubSpot Blog Research, 2021).
15 – Personalization of objects: In 2024, approximately 47% of marketing professionals in selected countries included personalization of objects in more than half of their email marketing campaigns (Statista | 2024).
READ ALSO: 15 examples of influencer marketing strategies to find inspiration
Statistics on mobile emails
16 – Device preferences: The majority of email views come from mobile devices (41%), closely followed by desktop views (39%) (HubSpot | 2021).
17 – Mobile-friendly layout: A mobile-friendly email layout can increase unique clicks on mobile devices by 15% (MailChimp | 2021).
18 – Incorporation of mobile emails: 56% of marketers are integrating mobile-friendly emails into their email marketing approach (HubSpot | 2021).
Statistics on email automation
19 – Effectiveness of generative AI: 95% of marketers using generative AI for email creation consider it “effective”, with 54% considering it “very effective” (HubSpot | 2023).
19 – AI applications : 43% of marketers using generative AI believe it is most useful for email creation (HubSpot | 2023).
20 – AI-powered email writing : 38% of marketers using AI use it to write emails (HubSpot | 2023).
21 – Use of automation: In a global survey conducted in February 2023, 63% of marketing decision-makers indicated they use automation in their email marketing
Statistics on email marketing and AI
22 – AI Effectiveness in Email Marketing: In a 2023 survey of email marketers in the US, UK and other European countries, approximately 51% said that AI-supported email marketing was more effective than traditional approaches (Statista | 2023).
23 – AI applications in email marketing: In a 2023 survey of email marketers in the US, UK and other European countries, automatic content and image generation emerged as the most intriguing application of artificial intelligence (AI) in email marketing, cited by approximately 40% of respondents (Statista | 2023).
Email marketing demographics
24 – Multiple email addresses: 35% of respondents in the United States have two email addresses, and 28% have more than four (Statista | 2021).
25 – Reading time: On average, consumers spend 10 seconds reading emails from brands (Statista | 2021).
26 – Unread emails: 40% of consumers report having at least 50 unread emails in their inbox (HubSpot | 2020).
27 – Emails and millennials: 64% of Millennials consider email to be the most personal communication channel, and 53% of Generation Y Gmail users check the “Promotions” tab at least once a day (Bluecore | 2021).
Conclusion
Understanding these statistics is essential for adapting your strategies to the current landscape, improving engagement, and ultimately maximizing the success of your email campaigns. Remember that every email campaign is unique, and analyzing trends and statistics can help you refine your campaigns.
If you need help finding prospects and creating segmented lists, consider using tools like Magileads . You can also check out our article on how to create B2B emails that will win you big deals for inspiration when creating your campaigns.
Email marketing is evolving, and staying informed about trends and statistics will put you ahead of the game in 2025.
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