Email marketing remains one of the most effective ways for businesses large and small to connect with their audiences. However, are companies exploiting it optimally?
In this article, discover the key statistics of emailing in 2025. You can refer to it to perfect your campaigns and speed up your business growth.
Understanding these statistics is essential to improve your email and maximize your marketing ROI. Data like open rates, click-through rates, and conversion rates provide insights into how your emails are performing . Analyzing these metrics allows you to adjust your content, the timing of your sendings and the target to obtain better results.
General email statistics
1 - Emails sent: In 2024, the world experienced around 333 billion emails sent and received daily. The projections indicate that this number will increase to 392.5 billion emails per day by 2026 (Statista | 2023).
2 - Email users: In 2024, the world number of email users reached 4.26 billion and should 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 - SPAMs: in December 2024, more than 45% of the traffic email was made up of unwanted messages (Statista | 2023).
5 – Email Marketing Revenue: In 2020, the global email marketing market was worth US$7.5 billion. This figure was predicted to reach 17.9 billion by 2027, with an expected compound annual growth rate (CAGR) of 13.3% during this period (Statista | 2021).
6- Emailing budget According to a survey between February and March 2024, the marketing directors of large companies in North America, in the United Kingdom, Germany and France revealed that 10.1% of their online marketing budget was allocated to advertising on social networks, 9.8% in research, and 9.3% to advertising digital advertising (Statista | 2024).
Open rate and click 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 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%. Around 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 lower rate is considered low (emailtooltester | 2023).
Email personalization
14 - Effective strategies: The email marketing campaigns include subscribers segmentation (78%), personalization of messages (72%), and email automation campaigns (71%) (HubSpot Blog Research, 2021).
15 - Personalization of objects: In 2024, around 47% of marketing professionals in selected countries included the personalization of objects in more than half of their marketing campaigns by email (Statista | 2024).
READ ALSO: 15 influencer marketing strategy examples to find inspiration
Mobile email statistics
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 – Mobile Email Incorporation: 56% of marketers integrate mobile-friendly emails into their email marketing approach (HubSpot | 2021).
Email Automation Statistics
19 - Efficiency of the generative AI: 95% of marketers using generative AI for the creation of emails deem it "effective", 54% of which consider it "very effective" (hubspot | 2023).
19 - AI applications : 43% of marketers using generative AI believe that it is the most useful for the creation of emails (HubSpot | 2023).
20 - Email writing by AI : 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 using automation in their email marketing
Emailing and AI statistics
22 – Effectiveness of AI in Email Marketing: In a 2023 survey of email marketers in the US, UK and other European countries, about 51% said that email marketing AI-powered email was more effective than traditional approaches (Statista | 2023).
23-AIM APPLICATIONS IN MARKETING BY EMAMA: In a 2023 survey of marketers by email in the United States, the United Kingdom and other European countries, the automatic generation of content and images is Appeared as the most intriguing application of artificial intelligence (IA) in email marketing , cited by around 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 a minimum of 50 unread emails in their inbox (HubSpot | 2020).
27 – Emails and millennials: 64% of Millennials consider email the most personal communication channel, and 53% of millennial Gmail users check the “Promotions” tab at least once a day (Bluecore | 2021 ).
Conclusion
Understanding these statistics is essential to adapt your strategies to the current landscape, improve commitment and, ultimately, optimize the success of your emailing campaigns. Remember that each email campaign is unique, and the analysis of trends and statistics can help you improve your campaigns.
If you need help finding your prospects and creating segmented lists, consider using tools like Magileads . You can also consult our article on how to create B2B emails that will win you big contracts to inspire you in creating your campaigns.
Email marketing is evolving, and staying informed of trends and statistics will position you at the top of the game in 2025.
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