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Spam: share of global email traffic 2014-2018

Global spam volume as percentage of total e-mail traffic from January 2014 to December 2018, by month

by Statista Research Department, last edited Apr 29, 2019
Spam: share of global email traffic 2014-2018 Spam messages accounted for 57 percent of e-mail traffic in December 2018. That year, China generated the largest share of unsolicited spam e-mails with 11.69 percent of global spam volume. Despite its ubiquity, the global e-mail spam rate has actually been decreasing: the global annual spam e-mail rate in 2018 was 55 percent, down from 69 percent in 2012.
Spam e-mail

It is almost impossible to think about e-mail without considering the issue of spam. In 2018, 281.1 billion e-mails were sent and received on a daily basis. This includes billions of promotional e-mails sent by marketers every day. Whilst many e-mail users believe such content belongs in their spam folder, marketing e-mails are generally harmless, if annoying to the user. As of the second quarter of 2018, only 85 percent of marketing e-mails landed in a customer’s inbox and seven percent were caught by spam filters. However, things are improving for marketers: in 2018, the spam placement rate of commercial e-mails had declined to nine percent, down from 12 percent in 2015.

Malicious spam

Not all spam are benign promotional e-mails though. A significant portion of spam messages are of a more malicious nature, aiming to damage or hijack user systems. The most common variants of malicious spam worldwide include trojans, spyware, and ransomware.
Show more

Global spam volume as percentage of total e-mail traffic from January 2014 to December 2018, by month

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by Statista Research Department, last edited Apr 29, 2019
Spam messages accounted for 57 percent of e-mail traffic in December 2018. That year, China generated the largest share of unsolicited spam e-mails with 11.69 percent of global spam volume. Despite its ubiquity, the global e-mail spam rate has actually been decreasing: the global annual spam e-mail rate in 2018 was 55 percent, down from 69 percent in 2012.
Spam e-mail

It is almost impossible to think about e-mail without considering the issue of spam. In 2018, 281.1 billion e-mails were sent and received on a daily basis. This includes billions of promotional e-mails sent by marketers every day. Whilst many e-mail users believe such content belongs in their spam folder, marketing e-mails are generally harmless, if annoying to the user. As of the second quarter of 2018, only 85 percent of marketing e-mails landed in a customer’s inbox and seven percent were caught by spam filters. However, things are improving for marketers: in 2018, the spam placement rate of commercial e-mails had declined to nine percent, down from 12 percent in 2015.

Malicious spam

Not all spam are benign promotional e-mails though. A significant portion of spam messages are of a more malicious nature, aiming to damage or hijack user systems. The most common variants of malicious spam worldwide include trojans, spyware, and ransomware.
Show more
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