How Many Email Users Are There?

Did you know that the first email ever was sent 48 years ago? Half a century later, people have developed a strange love-hate relationship with electronic mail. Many of them check their emails before getting out of bed, but an even higher number of people aren’t happy with the volume of emails they receive daily—the primary reason people unsubscribe from email lists.

This communication channel has become an inevitable part of people’s lives, while the number of email users has been growing steadily over the years. The question is, How many email users are there in 2019?

Global Email Statistics (Editor’s Pick)

  • There are over 3.9 billion email users worldwide.
  • In 2018, email users had an average of 1.75 email accounts.
  • Over 293 billion emails are sent each day throughout the world.
  • There are around 1.5 billion Gmail accounts worldwide.
  • There are about 5.59 billion active email accounts worldwide.
How Many Email Users are There

Email Usage Statistics

1. There are over 3.9 billion email users worldwide.

This year, the number of email users reached the 3.9 billion mark, which means that over 50% of the world’s population is now using email. In 2020 we can expect the number of email users to climb to 4 billion. According to the recent email marketing statistics, the predicted user growth rate for the next four years is 3%, which is around 100 million users more each year. So, in 2023 the number of email users worldwide should be approximately 4.3 billion.

(Source: Radicati)

 

2. Nearly 76% of all US adults use email.

According to a study from EMarketer, in the past six years, the number of US adults who use email at least once a month has grown by 15%. And the number of email users is still on the rise. So how many email users are there since 2017? Two years ago, there were around 244.5 million US residents using email, and last year, that number increased by 4 million. This year, there should be a little over a quarter of a million email users (251.8 million).

For comparison, the worldwide number of email users is forecast to increase by 100 million a year. In the US, that growth is expected to be only about 13 times less, at approximately 6 million every year.

(Source: EMarketer)

 

3. There are about 5.59 billion active email accounts.

How many people use email and the total number of email accounts are two separate categories. Many email users have multiple emails, which is why the number of active email accounts is nearly 1.5 times higher than the number of email users. While there are 5.59 billion accounts, there are only 3.9 billion email users.

(Source: Radicati)

 

4. In 2018, the average person had 1.75 email accounts.

One of the primary reasons most people have two email accounts is to separate work emails from personal ones. How many email addresses does the average person have? According to a Radicati study, the answer is 1.75.

While Radicati’s data shows that an email user has roughly two accounts on average, these are median results. If we take the average values from the equation, a high percentage of users have a minimum of three email accounts, all the way up to nine, according to a Microsoft study. Apart from separating work and personal emails, people often have a separate account for filtering out spam messages, too.

(Sources: Radicati, Microsoft)

 

5. 293.6 billion emails are sent every day.

If you’ve been wondering how many emails are sent per day, here’s your answer. This figure includes both consumer and business emails. Next year, the Radicati Group predicts, the number of emails sent daily will grow by 4.4%, resulting in 306.4 billion emails a day. By 2023, the growth rate should decrease by 0.2%, when the number of emails in circulation should stand at 347.3 billion emails sent daily.

Further analyzing the question of how many emails are sent per day, we saw that 2018 logged 281.1 billion. This means that email users hit the send button 3.2 million times each second, and that figure climbed to 3.5 million in 2019.

(Sources: Statista)

 

6. More than half of all emails are spam messages.

Did you know that back in 2009, 94% of all emails were spam? Luckily, these numbers are significantly lower today. However, they still make up around 67% of all emails, according to Internet Live Stats.

Because we’ve already discovered the number of emails sent daily, we can easily answer the question, How many spam emails are sent per day? Providing that 67% of all emails are spam messages, and with the daily count of emails sent worldwide standing at 293.6 billion, over 196 billion emails sent daily are spam messages.

However, the spam rates are different according to Statista. This source suggested that spam volume has been decreasing since 2012—when spam messages accounted for 69% of all emails. The spam rate stayed at 53% between 2015 and 2016. Last year the percentage of spam emails increased by two points. So of the 293.6 billion emails sent worldwide every day, what percent is considered to be spam according to Statista? 55%! Even the conservative numbers show that 161 billion spam emails are sent daily.

(Sources: Internet Live Stats, Statista, The New York Times)

 

7. Last year, nearly 12% of all spam emails came from China.

In 2018, China accounted for 11.69% of all spam messages, overtaking the US, which had previously been in the lead. The percentage of spam emails coming from the US stood at 9.04%, and Germany took third place with 7.17%.

In contrast, countries that had the smallest share of spam emails were Romania (1.10%), Colombia (1.12%), and the Netherlands (1.37%).

(Source: Secure List)

 

8. The ratio between receiving and sending emails is 3:1.

Ever wondered, How many work emails per day is normal? People often get overwhelmed by the number of emails in their inboxes, and that number is continuously growing. For comparison purposes, in 2015, email users with a business email account received 88 emails a day. By the end of 2019, that number should jump to 96. In contrast, only 30 emails will be sent from the average business email account.

So how many emails does a person receive on average, and how many emails does a person send? The numbers behind these questions could go two opposite ways. While the number of emails that arrive in a user’s inbox is steadily rising, the number of sent emails may continue to drop. The number of emails a person sends on average has already decreased from 34 to 30 emails from 2015 to 2019. Based on these numbers, the downward trend could continue to go in the same direction.

(Source: Radicati)

How Many Email Users are There

Email Usage Stats by Email Client

9. Gmail and Apple Mail account for over half of all leading mail clients.

In the email client sphere, Gmail and Apple iPhone are the two most popular environments for reading emails. Together they make up 56% of the email client market share. iPhone currently accounts for 28% of all email opens, sharing first place with Gmail, which has the same percentage of email opens (28%). However, if we add in the 9% of email opens coming from Apple iPad, the iOS mail client is the clear winner.

(Source: Email Client Market Share)

 

10. There are 1.5 billion Gmail accounts worldwide.

As of October 2018, the answer to the question, How many Gmail accounts are there? is 1.5 billion. Google’s email client was initially launched in 2004, and in the beginning, Gmail’s most loyal user base were people working at Google. However, all that soon changed.

At the beginning of 2012, Google mail boasted 350 million active accounts. In just six months, another 75 million accounts were added to its user base. By 2015, the number of active Gmail accounts reached 900 million, only to pass the one-billion mark ten months later. According to the latest data, Gmail reached 1.5 billion accounts by the end of 2018.

One of the things to keep in mind is that this stat doesn’t answer the question of how many people use Gmail, unless every Gmail user has only one account. As we pointed out earlier, email users have 1.75 accounts on average. Following that logic, the number of people using Gmail should be approximately 850 million. But this, too, isn’t precise since we live in the age of multi-account email users.

(Source: Android Police, Statista)

 

11. Gmail has the highest number of accounts in India.

According to SendGrid’s “Global Engagement Benchmark” report, Gmail, Hotmail, and Yahoo are the top three inbox providers. The report also highlights country-specific data about Gmail, showing that the number of users with Google’s mail client varies from country to country. In India, the percentage of Gmail accounts sits at 82%. In contrast, India has only 6.1% Yahoo accounts and 1.2% Hotmail accounts. On the other hand, Gmail is least prevalent in Germany, where it accounts for 21.7% of all accounts.

As far as US email users go, Gmail is responsible for 42.1% of accounts, and unlike in India, there is a somewhat higher percentage of Yahoo accounts (15.8%). The highest percentage of Hotmail users comes from Colombia, at 40.3%.

(Source: SendGrid)

 

12. Outlook’s email count is nearly four times lower than Gmail’s.

Out of 5.59 billion active email accounts, 1.5 billion are Gmail accounts. But how many people use Outlook? Microsoft reported 400 million accounts back in 2013. Since then, there haven’t been any updates about the number of Outlook accounts. When it comes to the Outlook.com market share, it currently accounts for 2% of all email opens.

(Sources: Microsoft, Email Client Market Share)

How Many People Use Email on Mobile?

13. 85% of users check their emails on a smartphone.

People rely on multiple devices to access their email. Smartphones have become the primary device for checking email for 85% of users—with those aged between 25 and 34, that percentage is even higher, at 90%. The use of smartphones for checking email has grown since 2017, when 81% of users reported accessing their email from these devices.

Additionally, the use of desktop and laptop computers for checking emails is dropping year-over-year. In 2017, 74% of users checked their email via desktop/laptop, but only 69% did so last year.

(Sources: Adobe)

 

14. Mobile users make up over 50% of all email users worldwide.

Counting mobile users only, how many email users are there? The Radicati group indicated that the number of mobile email users worldwide should have already reached 2.2 billion in 2018. If we look at the total number of email users in 2018 (3.8 billion), mobile email users made up roughly 57%.

(Source: Radicati)

 

15. Mobile accounted for 46% of all emails opened last year.

To discover what percentage of emails are opened on mobile devices, we looked at the three main environments where email opens can occur: webmail, mobile, and desktop. Mobile email opens accounted for nearly half of all the emails opened. The desktop open rates were the lowest, at 18%, while webmail opens performed significantly better, making up 35% of all email opens.

Looking at the percentage of emails opened on mobile, 2018 saw a one-point decrease since 2017. Nevertheless mobile is still a dominant email reading environment that grew pretty rapidly. Tracking the growth of mobile email opens, we discovered that mobile open rates stood at only 8% back in 2011, but they quickly increased to 38% of all email opens in 2012. By the end of 2015, email open rates in mobile environment grew further to 55%. Nonetheless, between 2016 and 2017, the mobile email open rate dropped by a full eight points before dropping another point in 2018.

(Sources: Litmus)

How Many Email Users are There

Email Users Statistics

16. Most email users check their email every few hours.

Adobe’s email survey from 2017 revealed that 44% of the study participants check their work email every few hours outside of work hours. 51% of them reported the same frequency of checking personal emails. Additionally, 11% of the study participants said they were constantly checking their email.

Last year’s study from Adobe showed that users’ email checking habits have slightly changed. According to Adobe’s email usage statistics, 2018 recorded a five-point increase among users who check their work email every few hours (49%). Checking personal emails every few hours, on the other hand, didn’t change all that much, rising from 51% in 2017 to 52% in 2018. The good news is that the percentage of those who reported constantly checking both their work and personal emails dropped by 2 points since 2017 to 9% in 2018.

(Source: Adobe)

 

17. Most users check their email while watching TV or a movie.

According to email usage statistics, 2017 recorded the highest percentage of people checking their email while watching TV or a movie, i.e., 69%. In 2018, the percentage of those who checked personal emails during their TV/movie time was 60%, while checking work emails in the same situation was somewhat less popular (41%). Still, watching TV or a movie has been the most common occasion to check emails two years in a row.

The second most popular time to check email was while users were still in bed. They also reported checking emails even while having face-to-face conversations, which we assume would be quite annoying for the people they were talking to.

(Source: Adobe)

Email Usage by Age Group

18. The highest percentage of email users comes from Gen X consumers, at 92%.

Right behind the 35 to 50 age group are millennials, with 89% of them using email, while Gen Z consumers are the third largest group of email users (85%). When it comes to the question of how important email is to its users, 40% of consumers from all age groups said that email is both an important and essential communication form in their lives.

Overall, if we look at the data on email usage by age, there are no significant variations. Consumers from all age groups use email almost equally.

(Source: SendGrid)

Work and Email

19. Emails take up 16% of the average workweek.

During the workweek, employees spend 40% of their time performing their primary job duties. However, 16% of their weekly work hours are spent on email-related tasks, and another 8% on wasteful meetings. Additionally, 55% of workers agreed that excessive emails keep them from doing their primary job duties. In fact, email user statistics revealed that 49% of them would rather forget to brush their teeth than get 50 useless emails.

(Source: WorkFront)

 

20. 55% of office workers manage to reach inbox-zero.

The number of emails office workers send and receive annually stands at around 45,300 emails. Still, more than half of them are successful in reaching an inbox of zero. The percentage of those who managed to keep their inboxes empty at all times was five points lower in 2017. Unsurprisingly, the most common reaction to the idea of reaching this goal is relief (39%).

(Source: Adobe)

 

21. 25% of email users are annoyed with emails starting with “Not sure if you saw my last email.”

Of all the emails in the world that people get, the most annoying ones start with this particular phrase, according to 25% of the participants in Adobe’s study. 9% of them have a profound dislike for emails that start with “Per my last email,” while the third most annoying email intro is “Per our conversation,” followed by “Any updates on this?”

(Source: Adobe)

 

22. 50% of consumers prefer communicating with brands via email.

How many email users are there using this method for consumer-to-brand communication? A 2018 survey showed that half of all consumers consider email the best way to get in touch with a brand.

Other communication channels trail far behind email, with direct mail being the most popular communication option for 20% of the survey participants. Social media channels (7%), phone calls (7%), and a brand’s mobile apps (7%) rank near the bottom of the list, while the least favorite communication channel is chatbots (3%).

(Source: Adobe)

 

23. 73% of email users rely on the “unsubscribe” link to get rid of unwanted emails.

According to email marketing statistics, 2018 saw the highest percentage of email consumers using the unsubscribe link once they no longer wanted to receive emails from a particular company. 10% of users deleted unwanted emails each time they arrived in their inbox. 6.2% of email users clicked the spam button when they got these types of emails, and 5.9% of users ignored unwanted emails.

(Source: Adestra)

 

24. Roughly one-third of “offer” emails are interesting enough to open.

Adobe’s “Consumer Email Survey” from 2018 shows that email users consider about one-third of all the email offers they receive worth opening. With work emails, the percentage of interesting email offers stands at 27%, while personal emails receive slightly more interesting offers (31%).

(Source: Adobe)

How Many Email Users Are There?

Conclusion

Let’s recap some of the fascinating email facts we discovered as we answered the burning question, How many email users are there? In the US alone, there are over 250 million email users, while the global email user base should increase by 100 million in the next four years. The average user has 1.75 accounts, and they typically receive three times more emails than they send. Additionally, around 57% of all email users access their accounts from a mobile device. Finally, whatever you do, don’t start an email with “Per my last email.”

 

Sources:

Radicati

EMarketer

Radicati

Radicati

Microsoft

Statista

Internet Live Stats

Statista

The New York Times

Secure List

Radicati

Email Client Market Share

Android Police

Statista

SendGrid

Microsoft

Email Client Market Share

Adobe

Adobe

Radicati

Litmus

Adobe

Adobe

Adobe

SendGrid

WorkFront

Adobe

Adobe

Adobe

Adestra

Adobe

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