The number of email users in the past few years is continuously increasing. Despite the growth of chat apps, email remains to be widely used by businesses and companies.
There are around 4.2 billion email users worldwide in 2022, approximately a 1 billion increase from the previous year.
Based on a report, the volume of spam emails sent per day worldwide reached its highest level in July 2021 and dropped after a month.
Gmail blocked an estimated 100 million spam emails daily.
How Many Spam Emails are Sent Per Day in 2025?
According to a 2022 report, the total number of emails sent per day is approximately 333.2 billion, equivalent to more than 3.9 million emails sent per second.
Among these figures, around 122 billion are spam emails. In December 2021, more than 45% of total emails were considered spam.
The highest spam volume worldwide between 2020 and 2021 reached 282.93 billion per day, while the lowest spam volume from the same period was 65.5 billion.
Let’s take a look at the average number of spam emails sent and received per day worldwide from 2020 to 2021:
- In October 2020, the average number of spam emails per day worldwide reached 242.42 billion from 286.41 billion total sent emails
- In November 2020, the average number of spam emails per day worldwide reached 210.54 billion from 248.7 billion total sent emails
- In December 2020, the average number of spam emails per day worldwide reached 140.56 billion from 166.38 billion total sent emails
- In January 2021, the average number of spam emails per day worldwide reached 122.33 billion from 144.76 billion total sent emails
- In February 2021, the average number of spam emails per day worldwide reached 150.93 billion from 178.3 billion total sent emails
- In March 2021, the average number of spam emails per day worldwide reached 138.09 billion from 163.87 billion total sent emails
- In April 2021, the average number of spam emails per day worldwide reached 88.21 billion from 104.2 billion total sent emails
- In May 2021, the average number of spam emails per day worldwide reached 200.24 billion from 236.74 billion total sent emails
- In June 2021, the average number of spam emails per day worldwide reached 249.95 billion from 296.81 billion total sent emails
- In July 2021, the average number of spam emails per day worldwide reached 282.93 billion from 336.41 billion total sent emails
- In August 2021, the average number of spam emails per day worldwide reached 65.5 billion from 77.8 billion total sent emails
- In September 2021, the average number of spam emails per day worldwide reached 88.88 billion from 105.67 billion total sent emails
How Many Email Users Worldwide?
It is expected that the number of email users around the world will exceed 4.25 billion by the end of 2022, up from 4.14 billion in 2021.
It is projected that email users will grow up to almost 4.60 billion in 2025.
Here is a list of the estimated number of email users in the world:
- There were approximately 3.71 billion email users worldwide in 2017
- There were approximately 3.82 billion email users worldwide in 2018
- There were approximately 3.93 billion email users worldwide in 2019
- There were approximately 4.03 billion email users worldwide in 2020
- There were approximately 4.14 billion email users worldwide in 2021
- There will be approximately 4.25 billion email users worldwide by the end of 2022
- There will be approximately 4.37 billion email users worldwide by the end of 2023
- There will be approximately 4.48 billion email users worldwide by the end of 2024
- There will be approximately 4.59 billion email users worldwide by the end of 2025
Number of Emails Per Day
The total number of emails sent and received daily around the world continuously increase since 2017, and is expected to grow more in 2025.
Statistics show that approximately 319.6 billion emails were sent and received per day in 2021, representing a 13.6 billion increase in the following year.
Below are the estimated numbers of emails daily around the world:
- In 2017, there were an estimated 269 billion sent and received emails daily around the world
- In 2018, there were an estimated 281.1 billion sent and received emails daily around the world
- In 2019, there were an estimated 293.6 billion sent and received emails daily around the world
- In 2020, there were an estimated 306.4 billion sent and received emails daily around the world
- In 2021, there were an estimated 319.6 billion sent and received emails daily around the world
- In 2022, there will be an estimated 333.2 billion sent and received emails daily around the world
- In 2023, there will be an estimated 347.3 billion sent and received emails daily around the world
- In 2024, there will be an estimated 361.6 billion sent and received emails daily around the world
- In 2025, there will be an estimated 376.4 billion sent and received emails daily around the world
Different Types of Spam Emails
Some spam emails sent to email users were advertisements, money scams, adult content, phishing, and malware warnings.
However, the most common spam emails are related to marketing and advertising, accounting for 36% of the total spam emails.
Let’s find out the different types of spam emails worldwide:
- 36% – spam emails with marketing and advertising content
- 31% – spam emails with adult content
- 26.5% – spam emails with financial content
- 3.3% – spam emails with miscellaneous content
- 2.5% – scam and fraud emails
Countries with the Most Spam Emails
The country with the most spam emails sent per day was the United States.
In October 2021, the US recorded more than 8 billion spam emails per day, followed by China, Russia, and Brazil.
Here are the top 5 countries with the most spam emails sent daily in October 2021:
- The United States had around 8.61 billion spam emails sent per day in October 2021
- China had around 8.53 billion spam emails sent per day in October 2021
- The Russian Federation had around 8.09 billion spam emails sent per day in October 2021
- Brazil had around 8.03 billion spam emails sent per day in October 2021
- India had around 7.97 billion spam emails sent per day in October 2021
Conclusion
Email is one of the most important communication tools for sending work-related messages, marketing campaigns, business dealings, and personal use.
Email users are possibly receiving spam emails or unsolicited messages sent in bulk daily, typically for advertising campaigns and commercial purposes.
To get rid of receiving spam emails, users need to report them as spam, block their email addresses and delete unsolicited and suspicious emails.
As much as possible, unsubscribe from their email and newsletters and use spam filters and anti-virus software.