checking emails

How Many Emails Are Sent Per Day In 2021?

James Norquay
23 Jul, 2021

Electronic mail, or email (as it is now more commonly known) was invented in 1971 by Ray Tomlinson. Since then, it has slowly been replacing the use of snail mail due to its convenience and speed.

E mail is a highly useful tool for instant messaging and its use has quickly expanded because of this. However, email is no longer just a means to message your friends and family. It is used daily by almost all office workers and as a highly effective marketing tool.

2020 saw a lot of companies move online. This, and the emergence of many new online messaging systems during this time has had a significant impact on the amount of emails we send.

Keep reading to find out the most notable email statistics in 2021.

Top E mail Statistics for 2021

As mentioned, 2020 and 2021 saw a lot of changes in the way we communicate with more and more people shifting to online. Here are the top email statistics for 2021:

  • In 2020, 300.4 billion emails were sent and received per day.
  • As of 2019, there were 4 billion email users worldwide (this number has now grown!).
  • The are approximately 5.59 billion active email accounts worldwide – 1.8 billion of these are Gmail accounts
  • More than 149,513 emails are sent per minute – This means that the number of emails sent each day is ~215,298,720
  • The average person has 1.75 email accounts.
  • For email users, Tuesday is the best time to send an email if you want a quick response.

USA Email Statistics

As one of the largest groups of email users, the US has some interesting email statistics of their own.

  • In 2019 there were 251.8 million US email users.
  • Currently, over 90% of all adults in the US use email.
  • The number of email users in the US is expected to increase by 6 million a year.
  • Despite the high number of users only 26% of US adults used email as means of communication during the COVID-19 pandemic in 2020.

Mobile vs. Desktop E mails

Mobile Email Usage

As the prevalence of smartphones has increased over the last decade, it has become progressively easier to do everything from our phones. This includes sending and receiving emails, as is revealed by the following statistics:

  • In December 2018, 43% of all emails were opened via mobile (imagine how high this percentage is now!).
  • 85% of email users check their emails on a mobile phone but between the ages of 25 and 34, this rises to 90% of users.

Desktop Email Usage

Given statistics on mobile email usage, it is unsurprising that the tendency to check our emails on a desktop/laptop is declining.

  • A study in 2018 showed only 69% of email users check their email using a desktop/laptop
  • This is down from 74% of users in 2017

How Do You Compare to The Average Office Worker?

  • Statistics show that 40 emails are sent per day by the average office worker.
  • If you think this sound like a lot, you may be even more shocked to find out that 121 business related emails are received each day by the average person!
  • This means that approximately 9000 – 15000 emails are sent per year to the average office worker.
  • These mass amounts of business emails take up a lot of time – an average of 15.5 hours a week to be exact (This is equivalent to 16% of the work week). This number is only set to grow given the rise in people working from home since 2020.
  • Given this, it is not surprising that 55% of workers agree emails prevent them from their primary job duties.

If you have a business email through Gmail and are curious to find out how you compare to the average, follow these steps:

  1. Sign into Gmail and click on your profile picture (top-right corner of the screen).
  2. Select Manage your Google Account.
  3. Select the data & personalization tab on the left side of your screen.
  4. Scroll down until you see the ‘Things you create and do’ box and click on Go to Google Dashboard.
  5. Under ‘Popular Google services’, select Gmail.
  6. The menu which opens displays your personal gmail statistics

This tells you how many emails are sent from your business account, are in your inbox, are in drafts and are in trash.

All About Spam Emails

When looking at the top email statistics for 2021, you may have been surprised by just how high some of the numbers were. One main explanation for this is the ever increasing volume of spam emails that are sent per day. If you’re wondering just how many spam emails are sent per day , the answer is 107 billion as of 2019. So – where are all of these spam emails coming from?

Countries Which Send The Most Spam

  • In 2020, Russia sent more spam emails than any other country.
  • In fact, nearly 24% of all spam emails came from Russia in 2020.
  • Germany comes in second with 11.01% of all spam coming from there.
  • Next up is the USA, which sends 10.85% of all spam mail (up from ~ 9% in 2018).

Countries Which Send The Least Spam

  • Spam emails sent per day from Poland are minimal – In 2021, only 1.8% of all spam came from here, making it the country sending the smallest share of spam.
  • Japan follows closely, accounting for 2.3% of spam.
  • Similarly, Spain accounts for 2.52% of spam.

How Has Email Marketing Affected These Statistics?

Email marketing is also a primary reason for the ever increasing number of emails in our inbox. Although marketers have been favouring influencer marketing and chatbots in recent years, the prevalence of email marketing is yet to diminish.

Why is this? Email marketing is not only an easy tool to use but it is also highly effective. It still generates a very high ROI, with email returning an average of $38 for every $1 spent.

If you’re still not convinced of the power of email marketing, here a list of B2C email marketing statistics that might change your mind:

  • 73% of millennials prefer communication from a brand or SEO company to be sent to them via email.
  • 59% of respondents report that marketing emails have impacted their purchase decisions.
  • 78% of marketers have reported increased email engagement over the last year.
  • 80% of business professionals believe email marketing increases customer retention.

Email marketing is also very prominent amongst B2B marketers, and for good reason:

  • 81% of B2B marketers report that email newsletters are their most used form of content marketing.
  • 87% of B2B marketers report that email is one of their top free organic distribution channels.
  • The second-most common technology B2B organizations use to assist with content marketing is mail marketing software.
  • Roughly 85% of marketers say they use mail marketing software at work.

Tips For Increasing Your Open Rate

With all of the email traffic that currently exists, the emails you send can often be overlooked.

  • In 2019 the average email open rate across several industries was 17.92%.
  • Also in 2019, average click-through rate (CTR) across these same industries was 2.69%.

So what does this mean for your business or brand when you send a marketing email?

  • 82% of people won’t even open your email.
  • 97% of people won’t follow any links in the email.

Here are some ways to increase the open rate of your email marketing campaign:

  1. Vary the subject line so your email doesn’t get marked as spam.
  2. Personalise the subject line to include the receiver’s name – this is not only attention grabbing, but also makes your email seem more relevant and useful.
  3. Include an emoji in the subject line – this will help you stand out according to a study conducted by Experian which revealed that 56% of brands with an emoji in their email subject lines had higher unique open rates.
  4. Make sure your subject line isn’t too long – mobile devices usually only show 30-40 characters.
  5. Ensure your subject line covers these 5 elements: curiosity, urgency, relevancy, value and emotion

Hopefully these statistics have not only been interesting, but have also provided some valuable information for you and your business in 2021.

James Norquay

James Norquay founded Prosperity Media in 2012 after working in the SEO & Content Marketing space for over 10 years. Prosperity works on Small to Large eCommerce, Marketplace and many other projects in Australia and the US markets.