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Trends in Email Engagement [Infographic]

Trends in Email Engagement [Infographic]

How much of an impact has Appleā€™s Mail Privacy Protection (MPP) had on email marketing since its September 2021 release?

How many subscribers now use Dark Mode?

Whenā€™s the best time to send an email campaign based on your unique audience?

We dug into Litmus Email AnalyticsĀ¹ data to see how key email engagement trends like theseĀ  shifted from the end of August 2021 through the end of August 2022ā€”and how theyā€™ve stayed the same. Read on for a preview of whatā€™s happening in email engagement.

Download our full Trends in Email Enagement report to see even more in depth data, and details.

In 2021, we recorded:

13.1 billion opens

1.01Ā  billion/month (avg)

End of August 2022, we recorded:

12.1 billion opens

1.5 billion/month (avg trending)

How the top 3 email clients have shifted

(by percent of opens)

End of Aug 2022

  • Apple Mail Privacy: 51.0%
  • Gmail: 28.5%
  • Outlook: 4.2%

End of Aug 2021Ā 

  • Apple iPhone (iOS Mail):Ā  40.3%
  • Gmail:Ā  29.8%
  • Apple Mail macOS: 11.3%.Ā 

Not sure if your email clients have shifted, or how impacted youā€™ve been by MPP? Litmus Email Analytics can show you the way.


How Dark Mode usage has changed

We saw 28% of users viewing in Dark ModeĀ² in August 2021. By August 2022, that number had increased to nearly 34%.

We havenā€™t seen big moves in Dark Mode adoptionā€”but itā€™s growing steadily. And remember, itā€™s important to know what your unique audience uses. (For example, 41% of Litmus email subscribers currently use Dark Mode).

The best time of day to send emailsĀ³

In general, Litmusā€™ data on estimated open times reveals that no matter the time zone, the morning reigns supreme for prime email activity in six regions.

10 a.m.

Most popular open time in:

  • United Kingdom (UCT)
  • Germany (CET)
  • Spain (CET)
  • Canada (EST)

11 a.m.

Most popular open time in:

  • United States (EST)
  • Australia (AEDT)

3 a.m.

Least popular open time in:

  • United States (EST)
  • United Kingdom (UCT)
  • Germany (CET)

4 a.m.

Least popular open time in:

  • Australia (AEDT)
  • Spain (CET)
  • Canada (EST)

To see a detailed view of estimated open times in six regions, and how theyā€™ve shifted since last year, download our full Trends in Email Engagement report.Ā 

How long subscribers will spend with your messageā“

The average amount of time readers spend with your email is getting shorter.ā“Ā 

  • 2018: 13.4 seconds
  • 2020: 11.8 seconds
  • 2021: 10 seconds
  • 2022: 8.97 seconds

Best months for subscriber engagement

Engagement ranked by month

  • November:Ā 1,474,121,087 (11.20%)
  • December:Ā 1,464,872,649 (11.13%)
  • October:Ā 1,389,347,769 (10.56%)
  • September:Ā 1,329,971,376 (10.11%)
  • August:Ā 1,123,966,871 (8.54%)

Download our full report to learn how engaged audiences are the rest of the year.


For more big picture email engagement findings from Litmus Email Analytics data, download our full Trends in Email Engagement report.


Ā¹ Reflects Litmus Email Analytics data as of August 31, 2022. Some email clients may be over- or under-represented, due to image blocking or image caching, most notably with Gmail. Still curious? Learn how we get this data.

Ā² Based on known opens with color scheme data.

Ā³ This section analyzes a subset of Litmus Email Analytics opens that contain geo data; geo data is not always accurate due to the way opens could be tracked through proxies in different countries. This data provides an estimate of the most popular times emails are opened in various regions. As of January 2022,Ā  geo location data is longer available to Litmus users.

ā“ Litmus tracks time spent reading emails (read time engagement). This data is a subset of the larger data set, and represents 17% of the total email opens we processed.

Want to see more engagement trends?

For more big picture email engagement findings from Litmus Email Analytics data, download our full Trends in Email Engagement report.

Martyn Lee

Martyn Lee

Martyn Lee is a Design Associate at Litmus