How Many Emails Are Sent Per Day in 2024?

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Harsha Kiran
Written by
Harsha Kiran

Updated · Jan 02, 2024

Harsha Kiran
Founder | Joined March 2023 | LinkedIn
Harsha Kiran

Harsha Kiran is the founder and innovator of Techjury.net. He started it as a personal passion proje... | See full bio

Ivailo Ivanov
Edited by
Ivailo Ivanov

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Ivailo Ivanov
Content Writer | Joined October 2021
Ivailo Ivanov

If I was asked to describe myself using just a few words, I’d go with digital marketing expert, ex... | See full bio

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When instantaneous messaging between machines was invented, everything changed. Now, email plays a crucial role in many people’s professional and personal lives. 

Electronic mail offers a convenient means to stay connected with loved ones, negotiate deals, provide customer support, and market products. 

It has become ubiquitous, making strides in various industries worldwide. Moreover, countless companies like Google’s Gmail, Microsoft’s Outlook, Yahoo, and ProtonMail have sprung up to provide many email services– each one trying to take over people’s inboxes.

When viewed from a statistical angle, you can see how many emails are sent per day, explore the latest trends, and judge how emails are revolutionizing communication in 2023.

Editor’s Choice

  • 2.4 billion emails are sent every second.
  • An inbox contains an average of 200 emails.
  • There will be 4.4 billion active email users by the end of 2023.
  • The United States has 244.5 million email users.
  • In 2020, 306.4 billion emails were sent daily.
  • Approximately 60 billion spam emails were sent daily from 2019 to 2023.
  • 39% of global spam emails are about health and wellness.
  • Emails cause 94% of malware.
  • 87% of marketers plan to invest more in email marketing.
  • 56% of emails with emojis in the subject line have a higher open rate.
  • Almost all users check their emails daily.

How Many Emails Are Sent per Day 2023 Statistics 

“Email is the greatest thing.” – Wallace "Wally" Amos, Jr., Entrepreneur and Author

Email usage has grown since its introduction in 1971. The Internet’s accessibility has led to a steady increase in global email communication since 2017. 

In 2021, over 319.6 billion emails were sent and received daily worldwide. That number rose to 347.3 billion in 2023 and will continue to increase in the coming years. By 2025, emails will blow up to 376.4 billion.

From communicating with people to keeping in touch with your favorite brands, emails have remained relevant in everyone’s day-to-day lives. 

The following statistics will highlight details surrounding the daily number of emails sent in 2023.

1. There are 244.5 million email users in the United States.

(Statista)

The US has 244.5 million email users. 63% have 1 account

Email is widely used in the US, with some Americans having numerous accounts. Among US email users, 63% only have one account, and about 6% have more than four accounts. 

In addition, over half of American email users check their accounts over ten times a day. This is especially true for multiple-account holders.

2. Global email users have multiple accounts for different purposes.

(Convince and Convert)

Having several accounts is not only common in America. A good portion of email users choose to have separate accounts for different reasons. These include detaching personal matters from business, protecting online identity, and improving security.

In 2019, email users had an average of 1.75 email accounts for every user, and it rose to 1.86 by 2022.

This is unsurprising because most workspaces and universities require different email addresses to keep things organized and better monitored.

💡Did You Know? The email is older than WWW. Ray Tomlinson officially invented emails in 1971. However, some people have already exchanged email-like messages between terminals in the 1960s. On the other hand, the World Wide Web, or WWW, was invented in 1989—almost two decades after the email.

3. On average, an inbox has 200 emails.

(Harvard Business Review, EarthWeb)

Statistics show that the average person receives 100 to 120 emails per day, though the exact figure depends on the user. Consequently, the typical inbox would contain 200 emails. As most professional concerns and endeavors are sent through emails now, it’s normal for inboxes to contain many messages.

Fascinating Facts on the Number of Daily Emails

"To not have an email address is the digital equivalent of being homeless. Without it, you can’t shop online, bank online, or engage with social media."Dela Quist, Founder of 

Alchemy Worx: Driving Growth Through Email

Using email may be a mundane, everyday occurrence, but several interesting facts and statistics come with its long history. 

Check out the details below, and see what the most impressive email usage statistics say.

4. An office worker receives an average of 120 emails daily.  

(Campaign Monitor)

Corporate emails still dominate the business world, as office workers receive 120 emails per workday. Be that as it may, new platforms have gained popularity over the years that can challenge the email’s influence. 

The statistics identify Slack as a top contender. It’s one of the most highly used cloud-based tools for inter-office communication. In fact, 80% of Fortune 100 businesses utilized Slack Connect in building their digital headquarters.

Many new communication apps emerge every year. Whether email can still hold the top spot remains to be seen.

5. By the end of 2023, there will be 4.4 billion active email users.

(Statista, The Verge)

More than half of the global population will be email users by the end of 2023. 

One significant reason for this boom is the rise of social media platforms. You need an email address to register on any social media. Considering that Facebook has about 2.95 billion active accounts and Instagram has 2.3 billion monthly users, it’s no wonder that email accounts are close to surpassing the 4 billion mark.

6. In 2018, 124.5 billion business emails were sent and received daily.

(Campaign Monitor, Radicati)

124.5 billion business emails were used daily in 2018

As mentioned, business correspondence is mostly email-based. As of 2018, approximately 124.5 billion business emails were sent and received every day. Meanwhile, there were about 111.1 billion consumer emails circulated daily.

Despite new communication services popping up, business owners and professionals still prefer to use email.

7. In 2020, there were 306.4 billion emails sent every day.

(Statista)

Emails reached this point partly because companies worldwide began using them for marketing. They would use them to send memos, announcements, and daily correspondence between people—professional or not. 

(Templafy)

Emails have various advantages for professional environments. Office workers use them for speedy, professional communication to reach their recipients in seconds. It’s also free for all external and internal stakeholders to use. 

Additionally, emails can help accomplish tasks such as distributing documents, setting appointments, storing records, and sharing files.

🎉 Fun Fact: The symbol @ weighs 25 pounds! Before it was adopted by email, ‘at’ or ‘@’ was used in three languages, Spanish, Portuguese, and Italian. The first 2 utilized the symbol for the word ‘arroba’ —a unit of weight equaling 25 pounds.

9. 2.4 billion emails get sent every second.

(Templafy)

Many Internet users still prefer to use emails despite the proliferation of text messages, chat apps, and social media platforms. It remains one of the most used communication tools, as 2.4 billion are sent every second.

For example, in sales and chat statistics, 29% of online customers still prefer to communicate via email, even though 49% like to chat. Meanwhile, only 16% of those customers prefer to talk via social media. For these reasons, many people still count on emails.

10. In 2020, Gmail had over 1.8 billion users, rising from 1.5 billion in 2018.

(Campaign Monitor)

Gmail was introduced in April 2004. After being around for 18 years, it has amassed 1.8 billion users globally, making it the most widely used email service. 

In 2023, Gmail occupied 27.21% of the global email client market and 75.78% of the American email market. The Google-owned platform also accounts for 27% of all email opens. 

Gmail’s success is undeniably tied to its parent company. After all, it’s connected to all of Google’s products and services like Google Workspace, Google Maps, Chrome, Android, Google Play, Google Meet, and many more.

💡Did You Know? 

In March 2019, Google launched a new feature for Gmail called AMP, or Accelerated Mobile Pages. It enables users to browse other pages while staying in their email. In other words, you can do various online activities without leaving your inbox.

11. The cloud-based business email market hit $60.74 billion in 2022.

(Statista)

Email providers use cloud computing to improve their services. In the EU alone, 66% of cloud computing is dedicated to email services. In addition, 57% of businesses, not just email services, have migrated their workloads to the cloud in 2022.

Clouds offer a vast array of features, such as a high level of protection, support for mobile devices, excellent remote access, and reasonable subscriber costs. Adopting a cloud email service for your business is a step in the right direction.

12. 9% of email users use Microsoft Outlook.

(Litmus, Gitnux)

While Gmail dominates the global email market, Outlook still has a clear hold in the US. In 2023, it ranked second to Gmail, owning 16% of all email users in the country.

The statistics indicate the widespread use of Outlook as a reliable and trusted email service provider. For one thing, Outlook’s spam filter blocks more than 300 million suspicious emails daily. This secures its users and prevents them from falling into phishing scams.

✅ Pro Tip: 

Get a Desktop Email Client. Whether it’s Gmail, Yahoo, or Outlook, a dedicated desktop email client can manage all your accounts in one place. This makes everything efficient and more organized. The most popular options are Thunderbird, Outlook, and Mailbird.

Spam Emails Statistics

Spam emails are prevalent and have become a massive issue for Internet users. Spam Laws even noted that 52% of users believed spam is a major problem. These emails can lead to scams, PII thefts, and other cyber-attacks.

The following statistics discuss spam emails, their origins, and the most common types. 

13. About 60 billion spam emails were sent daily between 2019 to 2023.

(Campaign Monitor)

Over 50% of global email users believe spam is a significant email service problem. To combat this issue, many service providers constantly develop stricter spam filters to keep users' inboxes free of them. 

While keeping a spam-free folder is ideal for all users, some platforms still need help implementing an effective spam filter

Spam blockers must be highly adaptive, cloud-based, anti-phishing, and anti-malware. They also have to work with different email apps and operating systems and constantly be updated to keep up with spam that’s getting more sophisticated.

14. In 2019, Gmail blocked an average of 100 million spam emails daily. 

(Venture Beat, Dark Reading)

Gmail blocked 100 million spam emails in 2019

An average person spends 11 hours weekly going through work messages, especially in Gmail. According to the company’s report, 100 million daily spam emails were blocked in 2019, saving people from scams and cyber-attacks. 

In 2015, Gmail added a ‘block sender‘ feature, enabling users to forbid particular senders from contacting them again. That same year, Gmail itself blocked 99.9% of various types of malware and phishing scams.

Gmail’s security protocols aren’t bulletproof, though. It’s still best to be cautious when opening emails. 

15. 45.37% of all emails were spam in 2021.

(Statista, DataProt, MailModo)

Among all emails in the world, nearly half of them were spam in December 2021. Three years later, more than 60 billion spam emails were sent each day.

These numbers may be shocking, but spam has actually declined slowly for a few years. The 45.37% slightly improved from 2018, when 55% of all emails were spam.

Moreover, between June 2020 and January 2021, the average daily amount of spam dropped from 316.39 billion to just over 122 billion. This is due to email service providers, businesses, and private individuals upgrading their security.

(Statista)

You're more likely to receive health and wellness spam emails in your inbox. These messages make up 39% of all spam emails worldwide. They’re usually about supplements, unique medicines, health devices, exotic fruits, foods, or cosmetics without proof of effectiveness.

The second most common product emails comprise 12% of global spam emails. This is followed by adult-related content and extortion emails, with 10% each.

🎉 Fun Fact: 

In 2020, Google saw over 18 million malware and phishing emails daily, all related to COVID-19.

17. Emails are responsible for 94% of malware.

(CSO Online)

Malware, one of the most prevalent cyber-attacks, is primarily spread through emails. It’s typically disguised as links or ads that lead to authentic-looking websites.

Malicious content is especially disastrous to businesses with low-security protocols against insider threats. Approximately 91.5% of cyber-attacks come from human error, where employees accidentally open spam emails and unknowingly cause data breaches.

18. 7.02% of all spam emails in Q2 of 2020 came from China.

(Secure List, Statista, Tech Monitor)

China is one of the top countries that create and send spam emails. What’s more, 7.02% of all spam emails in the second quarter of 2020 came from China.

The spammiest countries include the US, Italy, Russia, China, and Germany. There’s no concrete reason these states have more spam emails than others. However, it’s speculated that increased reliance on digital communications can turn a country’s citizens into targets for spam emails.

19. In Q3 2020, the United States accounted for 10.85% of spam emails globally.

(Statista)

America came third in the list of top countries with the most spam emails received in the third quarter of 2020. The US only got 10.85% of all spam emails sent worldwide. It sat below Germany’s second place with 11.01% and Russia’s first with 23.52%.

These emails ranged from adult content to stock market and financial information. Spam remains despite these countries' powerful governments' strengthened laws and other continual efforts.

✅ Pro Tip: Recognize spam emails with these signs:

  • If they’re asking for personal financial information
  • If they are telling you to keep something a secret
  • If they have adult content
  • If they’re offering stock market info you never asked for
  • If they’re offering crypto opportunities that seem too good to be true

Email Marketing

The marketing channel with the best ROI is unquestionably through emails, with a whopping rate of 3,600%. That means every $1 spent on email marketing creates an average return of $36.

Nowadays, many people feel comfortable purchasing online, and marketing emails provide that avenue. Establishing a connection with your customers via email is invaluable. 

Suppose you’re a business owner in need of more convincing to use email marketing. In that case, these statistics about the method will help.

20. Marketing emails had a 21.5% open rate in 2021.

(Kinsta, Campaign Monitor)

An Open Rate is the percentage of subscribers who open your email out of your total number of subscribers. 

According to Campaign Monitor’s 2022 Report, marketing emails had an open rate of 21.5% across all industry verticals. It climbed up by 3.5% from 2020. 

The niches with the best open rates are education (28.5%), agriculture (27.3%), and financial services (27.1%). In contrast, the retail industry got the lowest open rate of 17.1%.

21. In 2020, mobile accounted for 46% of all email opens.

(HubSpot, Statista)

Mobile phones and emails pair up notably well. In fact, almost half of all emails opened in 2020 were done using a mobile device. 

This is because 46% of all smartphone users prefer to receive business messages via email rather than chats or calls. Furthermore, 35% of business professionals use mobile devices to check emails.

A recent statistic shows that smartphone owners have increased from 2.5 billion in 2016 to nearly 4 billion in 2021. Mobile users play a massive part in all email interactions.

22. Almost 9 out of 10 marketers use email marketing to share content organically.

(Oberlo)

About 9 out of 10 marketers use email marketing


87% or almost 9 out of 10 marketers share their material via email marketing. The method is popular because it’s effective and accessible. It generates website traffic, raises brand awareness, nurtures relationships, and creates new leads. The high ROI alone proves email marketing’s effectiveness if done correctly. 

23. 87% of marketers plan to invest more money in email marketing.

(Email on Acid, Optin Monster)

Optin Monster found that email marketing is up to 40 times more capable of converting customers than Facebook and Twitter, making it an ideal platform for marketers.  

Future trends will see an increase in the popularity of email marketing. This is a fantastic gold mine for marketers.

Email platforms are now exploring different content types apart from text. Dynamic visuals create more engaging emails. Furthermore, personalization, interactivity, and creativity have become prominent assets when attracting a recipient's attention. 

The formula includes more images and interactive content.

24. 59% of millennials and Gen Z consumers think companies overuse emojis.

(Adweek, YouGov)

A whopping 92% of the global Internet population uses emojis every day. However, 59% of consumers aged 18 to 34, millennials and Gen Zs, now believe that some brands are overdoing it in their ad campaigns. Ages 35 to 65+ also share the same sentiments.  

Emojis may lead to higher conversion rates, but email marketers must use them sparingly. Too many emojis can discourage viewers—achieving the exact opposite of what email marketing wants to do.

25. 56% of emails with an emoji in the subject line enjoyed a higher open rate.

(Campaign Monitor, Net Hunt, SimilarWeb)

Young adults may be tired of emojis, but not everyone agrees. As a matter of fact, 56% of all marketing emails with these pictograms on their subject lines have a higher open rate. 

According to SimilarWeb, the skull, upside down face, and all emojis offer many benefits in sales and marketing. They give more tone and emotion to a message. They also make emails more attention-grabbing, memorable, and engaging.

It’s no wonder that 44% of all consumers online are more likely to buy products advertised with emojis.  

💡Did You Know? A Japanese UI designer, Shigetaka Kurita, invented emojis and revolutionized texting. Emojis in email content and subject lines can add life to your messages.

26. 51.28% of marketers use animated GIFs in their marketing emails.

(Litmus, Wish Pond)

Email marketers who include GIFs in their campaigns see a 6% increase in open rates and a surprising 109% jump in purchase rates. That’s why 51.28% of marketers have included GIFs in their emails.

GIFs are a great way to stand out from the crowd. They grab your subscribers’ attention, reveal your products and services in a quirky way, and can even explain a complex idea.

27. Videos boost open rates by 19% and click-through rates by 65%, reducing unsubscriptions by 26%.

(Campaign Monitor, SpiceWorks)

Email marketing also uses videos to increase engagement. In 2017, videos added to email content boosted click rates up to 300%. Furthermore, Campaign Monitor cites that videos increase open rates by 19%, raise click-through by 65%, and lower unsubscription rates by 26%.

All of these are due to the video’s overwhelming power over online consumers. In fact, 91% of consumers prefer video ads over other formats. Plainly, they’re just more entertaining.

✅ Pro Tip: 

Zero sound drives mean more clicks. Silent videos drive click-thru behavior. Not including sound drives enables the users’ curiosity, nudging them to click on the video and watch its entire length. 

Email in Real-Life Interactions

Email, like phone numbers or addresses, has become necessary. It has evolved from a simple tool into a multi-functional platform for everyday interactions, from marketing to greeting loved ones. 

Email is ever-present in people’s daily lives, and here are some statistics that show that. 

28. Nearly all users check their emails daily.

(Optinmonster)

Research has shown that users check their emails 20 times daily. This phenomenon may also be due to all internet users’ increasing screen time. 

On average, users spend 6 hours and 37 mins online. Despite checking emails several times a day, professionals only respond to 25%. They may be opening emails out of everyday screen habit. 

29. 17% of Americans check their emails during a conversation.

(Statista, SCMP)

17% of American email users are guilty of phubbing


Aside from checking their emails several times a day, Americans also do it during real-life interactions. Dubbed by SCMP as “phubbing,” an increasing number of US citizens favor their phones over conversations with live people in front of them.

Phubbing is directly associated with an American’s overall phone time. In a day, they spend an average of 4 hours and 25 minutes on their mobile phones. 24/7 access to email has contributed to this and has become a distraction for many. 

30. Gmail doesn’t allow users under 13 years of age. 

(Entrepreneur, Mail Butler)

Registering for a Gmail account requires you to be at least 13 years old. This is to protect the privacy of the world’s youth. Children under 13 cannot give explicit consent and need adult supervision—even online communication.

👍 Helpful Articles: 

Emails can be improved and tweaked based on your needs. If you want to send secure emails to protect sensitive information or just learn how to write catchy ones, here are some helpful articles for you:

Wrapping Up

Considering the statistical information on emails above, it’s clear that this communication platform is thriving–– not a relic of the past and not dying.

The number of emails sent and received daily will grow in the coming years, reaching several billion. Individuals rely on email to communicate for personal and professional needs. Additionally, large enterprises use the same mode of communication to market their products and services. Emails never seem to run out of users.

FAQs.


How many emails are sent per day per person?

40 business emails per day—that's how many emails an average office worker sends.

How many emails can be sent per day through Gmail?

500 emails in any combination can be sent daily via one Gmail account.

How important is sending an email?

Email is helpful for communication since it allows users to communicate information in letter style. Additionally, it can be used in place of traditional mail solutions.

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