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How Many Emails Are Sent Statistics

Last updated 8th Aug 2022

Email has been around since the start of the internet and it continues to be one of the primary methods of communication. Marketers use them to send repeated marketing messages, companies use them for communicating internally and friends may find them handy for sending long-form messages to loved ones.

On this page, we will explore the statistics about how many emails are sent. This will give you an idea of the popularity and scale of this method of communication. We will break down the statistics into several categories so you can quickly find the type of statistics that are most interesting. Finally, take the time to read to the end of answers to commonly asked questions. This will help you appreciate the challenges of sending emails and how they are solved.

General How Emails Are Sent Statistics

In this section, we will explore general statistics that provide a good overview of this communication method. You will find out how many emails are sent per day and other interesting facts you might not have known before.

There are 200 emails in an inbox on average

This statistic indicates that many people do not delete emails and let them accumulate in their inboxes. It does not cost anything to store email in the inbox unless you have many attachments with large files. Also, users do not always respond to emails, so unread ones can quickly accumulate into the hundreds.

Source: Harvard Business Review

46% of all email opens were made by mobile devices in 2020

Overall, the use of mobile devices to access internet-related services is on the rise. Therefore, it is unsurprising that almost half of email opens were on mobile devices. Checking email on your smartphone is easy and convenient. You can be travelling to work or waiting in line at the grocery store and use time productively by answering a few emails.

Source: HubSpot

In Q3 of 2020, 10.85% of spam emails were sent by users in the United States

This indicates that US users send a significant portion of global spam emails. Russia and Germany are others that send a large number of spam emails compared to other countries. It is a difficult method of communication for police, so spam email is a big problem. Not sharing your email address online is a good way to avoid being the victim of spam. However, in most cases, it is unavoidable to be hit with some spam during the life of your email account.

Source: Statista

The open rate of marketing emails in 2020 was 20.56%

Most internet-savvy users can spot marketing emails a mile off. They are not bad, however, they are often untargeted and do not provide interesting offers. Customers are more likely to open targeted emails with personalized offers. The open rate for different industries varies, so this statistic can be even lower for some.

Source: Kinsta

Most people have several email accounts

The ease with which you can open an email account means it is unsurprising that many people have several. Companies like Microsoft and Google offer free email accounts with basic functionality. People use different accounts for various facets of their life. For example, a separate work email might be created that is provided by the employer. It is estimated that the average user has 1.75 email accounts.

Source: Convince and Convert

In the United States there are 244.5 million email users

This statistic indicates that the majority of the US population owns at least 1 email account. Most users have multiple accounts, with 6% having 4 of them. In many cases, you cannot function without an email account. For instance, if you want to book flights online, then an email account is required to register for an account and receive the flight details.

Source: Statista

Work and Business Email Statistics

Now let us turn our attention to interesting work-related email statistics. This will help you figure out the state of email for work activities and the kind of volumes that are sent for this purpose. Many businesses rely on email for the majority of their communication and find it an essential component of everyday operations.

124.5 billion work emails are sent and received every day

This is a huge number of daily emails that shows how companies rely on this communication method. Modern businesses need email to communicate with customers and employees alike. The email infrastructure improves efficiency and profitability. Also, a large number of emails are automated, which contributes to the large amount sent daily.

Source: Campaign Monitor

Office workers receive an average of 120 emails daily

The large amount of emails sent to office workers shows that it is a popular form of commutation. However, this might lead to lower productivity since it takes a long time to answer this many emails. The ease with which emails can be sent might be negative since employees receive more of them than needed. Also, some companies expect employees to respond to emails when they are at home, which means maintaining a work-life balance is harder.

Source: Campaign Monitor

For every dollar spent on email marketing there is a return of $42

This figure may change depending on the industry, but generally, the return on email marketing investment is very positive. Therefore, companies can spend large sums of money to get their message out and grow their business using email. The ability to send multiple marketing messages over a prolonged period is one of the reasons why it is effective.

Source: Oberlo

In 2022, the cloud business email market achieved a market cap of $60.74 billion

Cloud email services are the evolution of this communication media. The all-in-one services solutions allow customers and businesses alike to have the convenience of working and storing data in the cloud. The large market size indicates that it is an important addition to most businesses if they want to compete for market share.

Source: Statista

Almost 90% of all marketers use emails to distribute their content organically

This indicates the popularity and effectiveness of email marketing. Firstly, it is one of the cheapest forms of marketing. Secondly, you can send repeated marketing messages to the same lead. This increases the chances of conversion. Most marketers know this and will continue to deploy email marketing campaigns while it offers a sportive return on the resources spent.

Source: Obrelo

87% of marketing want to spend more money in email marketing

Most marketers are tasked with getting the most out of limited budgets. The goal is to make every marketing dollar count so that it generates the most amount of company growth. Email marketing is a strategy that marketers love to use because it reliably provides results.

Source: Email on Acid

Added Media in Email Statistics

Now let us have a look at how media is added to emails. These statistics describe the frequency of videos, gifs, and emojis in emails. Email used to be simply for text – that is all the technology could support. However, now it can display almost anything a webpage can because they share the same technology.

Animated GIFs are used by 51.28% of marketers in their emails

GIFs are animated images that allow marketers to make emails more vibrant and visually orientated. Overall, half of marketers use them because it is an approachable method of communication. Many people use GIFs when messaging friends, so seeing them in marketing messages allows them to have a casual feel.

Source: Litmus

When video is used in email, then unsubscription rates are reduced by 26%, click-through rates are increased by 65% and the open email rate goes up by 19%

These statistics highlight the positive qualities of adding video to email marketing. Video is arguably the preferred way of digesting content on the internet. The rise of apps like TikTok means a captivating short video can be a powerful way to communicate – even in email marketing where traditionally where text is the focal point.

Source: Campaign Monitor

Website video backgrounds improve email marketing campaign conversions by 138%

When users click on links in marketing emails, they are usually taken to landing pages. If these pages have video backgrounds, then they convert much better. That might be because customers enjoy receiving information in video format. Also, it improves the visual aesthetics of a website and gives it a professional look.

Source: Website Builder Expert

Around 60% of millennials and Gen Z users feel that businesses overuse emojis in email

According to Campaign Monitor, 56% of emails with emojis in the subject line receive higher open rates. However, this does not mean emojis should be used everywhere. The younger population grew up with emojis, so if they feel that companies are overdoing them, then it is safe to say that cutting back might be a smart change.

Source: ZoomInfo

Spam Email Statistics

Now we will explore the statistics that indicate the volume of spam emails. It is a serious problem that is showing no signs of letting up because they work and are easy to do by the sender. However, spam filters are getting more sophisticated and are doing a good job of blocking many spam emails that get sent.

47.3% of all emails are classed as spam

This statistic represents the period of September of 2020, however, it is a good sample size since many emails are sent every month. In 2019, the percentage of spam emails was 55%, so the situation has improved. Spam email success fluctuates as new filters block existing strategies and then new ones are created to increase the success rate.

Source: Statista

39% of all spam emails sent are related to health

The healthcare industry is massive and this allows many fraudsters to market products in this marketplace. The demand for health products is growing as people are more aware of how they can look after their wellbeing. Spam filters keep a lookout for specific health-related keywords in an attempt to flag spam emails.

Source: Statista

It is estimated that between 2019 and 2023, 60 billion spam emails will be sent

The sophistication of spam filters is constantly improving to provide protection against unwanted emails. However, they are not perfect at blocking out questionable emails. To this day, emails get through that have dangerous links. The best users can do is keep their guard up and question emails from new sources. Most legitimate emails will not ask you to share personal details or click on links.

Source: Campaign Monitor

Every day 100 million spam emails are blocked by Gmail

This statistic indicates the large volume of spam emails that are sent. Keep in mind that this is a daily stat that includes just one email service provider. Part of the reason why so much spam exists is the automation and ease with which they can be sent. Also, they work so the people sending spam continue to try their luck.

Source: Venture Beast

Bottom line

To summarize, email is a popular form of communication, especially for marketers that want to share content and generate sales. The large amount of emails sent daily means that it is a norm of modern life. It has reduced the amount of paper used significantly since messages can be sent digitally.

However, the large volume of spam emails is a problem that is not going away. Spam filters are somewhat alleviating the problem, but spam continues to flood inboxes – especially in the healthcare sector. Also, media is usually added to emails, which includes videos, GIFs, and images.


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Our content quality team consulted the following expert sources to maximise the value and accuracy of this page:

  1. Harvard Business Review
  2. HubSpot
  3. Statista.com
  4. Kinsta
  5. Convince and Convert
  6. Campaign Monitor
  7. Oberlo
  8. Email on Acid
  9. Litmus
  10. Venture Beat
Keith Hodges

Keith Hodges