Emails are one of the most used online platforms, especially for communication. It allows its users to send and receive messages with attachments.

Despite the growing popularity of messaging apps, email users continuously increase.

By the end of 2023, email users worldwide are expected to reach 4.37 billion, a 2.7% growth from the previous year.

Businesses and organizations mostly use Gmail, Yahoo Mail, Outlook, and Apple Mail to communicate with their employees and subscribers.

Wondering how many emails are sent per day in 2023? Let’s find out

How Many Emails are Sent per Day in 2023?

According to the most recent data, an estimated 347.3 billion emails were sent per day in 2023 and is forecasted to exceed 390 billion by the end of 2026.

An average office employee sends approximately 40 emails daily and receives around 121 emails daily.

Checking emails is one of the tasks workers have on their daily checklists. More companies are now using emails when sending newsletters, announcements, and promotional messages. 

Among the billions of emails sent and received per day, a huge percentage are spam emails. 85% of emails sent and received are spam emails.

These are unsolicited emails sent repetitively to promote a product or service, and can also be hoaxes and scams, or malware warnings.

Spam emails accounted for 45.37% of email traffic worldwide in December 2021, up by nearly 2% from the previous month.

Number of Emails Sent and Received per Day

Below is a list of the estimated numbers of emails sent and received per day from 2017 to 2026:

  • There were around 269.0 billion sent and received emails per day in 2017
  • There were around 281.10 billion sent and received emails per day in 2018
  • There were around 293.60 billion sent and received emails per day in 2019
  • There were around 306.40 billion sent and received emails per day in 2020
  • There were around 319.60 billion sent and received emails per day in 2021
  • There were around 333.20 billion sent and received emails per day in 2022
  • There were around 347.30 billion sent and received emails per day in 2023
  • There will be around 361.60 billion sent and received emails per day in 2024
  • There will be around 376.40 billion sent and received emails per day in 2025
  • There will be around 392.50 billion sent and received emails per day in 2026

Daily Emails Sent by Country

The United States has the most number of sent emails per day as of October 2021, with 9.59 billion.

Out of that figure, around 8 billion were spam emails. Germany comes next with nearly 9 billion daily sent emails.

Countries with the Most Sent Emails per Day

Emails

Here are the countries with the most sent emails per day in October 2021:

  • The United States recorded 9.59 billion sent emails per day in October 2021
  • Germany recorded 8.97 billion sent emails per day in October 2021
  • Austria recorded 8.74 billion sent emails per day in October 2021
  • China recorded 8.70 billion sent emails per day in October 2021
  • France recorded 8.63 billion sent emails per day in October 2021
  • The United Kingdom recorded 8.60 billion sent emails per day in October 2021
  • Poland recorded 8.45 billion sent emails per day in October 2021
  • Russia Federation recorded 8.37 billion sent emails per day in October 2021
  • Brazil recorded 8.32 billion sent emails per day in October 2021
  • The Netherlands recorded 8.29 billion sent emails per day in October 2021

How Many Spam Emails are Sent Per Day

Spam Email

Most of the emails sent and received per day are unwanted and irrelative emails. They are known as spam emails.

In September 2021, nearly 89 billion spam emails were recorded daily. More than 45% of email traffic worldwide was spam emails.

Here is the average number of spam emails sent per day in 2021:

  • The average number of spam emails sent per day hit 122.33 billion from more than 144 billion sent emails in January 2021
  • The average number of spam emails sent per day hit 138.09 billion from more than 163 billion sent emails in March 2021
  • The average number of spam emails sent per day hit 200.24 billion from more than 236 billion sent emails in May 2021
  • The average number of spam emails sent per day hit 282.93 billion from more than 336 billion sent emails in July 2021
  • The average number of spam emails sent per day hit 88.88 billion from more than 105 billion sent emails in September 2021

Best Day and Time to Send Emails

What is the best day and time to send emails? Based on research, Tuesday to Thursday, between 8 AM to 10 AM and 1 PM to 3 PM is the best day and time to send emails.

While Saturday and Sunday, from 7 PM to 2 AM are the worst time to send emails.

People should know the best day and time to send emails, especially emails that require responses.

How Often Do Email Users Check their Emails?

Emails

According to the 2021 Pathwire report, more than 84% of email users check their emails at least once a day. Only 2.9% check once a month.

Let’s take a look at how often email users check their emails in 2021:

  • 25.4% of email users check their emails more than five times a day
  • 37.9% of email users check their emails two to five times a day
  • 21% of email users check their emails once a day
  • 8.1% of email users check their emails a couple of times a week
  • 4.8% of email users check their emails once a week
  • 2.9% of users check their emails once a month

Conclusion

Since more people have access to the internet, businesses and companies use it to communicate with their target audience.

In this way, emails are becoming more useful, especially when sending welcome letters, promotional campaigns, and reminders.

Now you know how many emails are sent per day in 2023, which is 347.3 billion.

Sources

OberloStatistaStatista
StatistaTechJuryOberlo
HubSpotCoschedule