MailChimp Research

MailChimp’s researchers are constantly putting together data that will help you get results from your email newsletters. From average open and click rates to bounces and abuse complaints, we’ll give you an idea of how you perform compared to your industry or business size. We’ve also examined the results of list segmentation, and studied how different subject lines affect customer engagement. Check out our charts, and use our research to learn how to best send and track your newsletters.

From the Blog

Reports

Most Recent Data

62 million
Campaigns
5.5 million
Mailing Lists
1.5 billion
Email Addresses

Your data’s safe with us. All the data used in the project is accessed anonymously, and for the sole purpose of learning about behavioral trends. No individual records are tracked.

Hardware

6
Machines
68
Xeon Cores, each 2.0Ghz w/HT
832
GB DDR3 RAM
32
TB of raid 10 storage

Hardware BBU-backed raid of Intel X25-E

Quick Insights

Effect of Content to Link Ratio on Click Rate

More links generally means more clicks, though be careful to balance them properly with content.

Learn More

Words per Link
Images to Links

Words per Link

Images to Links

Effect of list correlation with purchased lists on spam complaint rate

The more a user's list correlates with lists available for purchase online, the higher the spam complaint rate is when sent to.

Purchased Correlation

Email Address eCommerce Value by Domain
(read top to bottom)

For example, Hotmail email addresses spend, on average, 7% more than Comcast addresses.

Hotmail AOL Yahoo Gmail
AOL 0.70%
Yahoo 6.40% 6.20%
Gmail 3.70% 4.90% 1.80%
Comcast 7.30% 7.50% -0.40% 0.40%

Email Opens by Time of Day

Subscribers are likely to open email after 12pm, and the most active hours are 2-5pm.

Time of Day

Email Opens by Day of Week

Most emails are sent between Monday and Friday, with the highest volume on Tuesday and Thursday. More subscribers open email, however, on Wednesday and Thursday.

Day of Week

Effects of Subscriber Recency on Open and Click Rates

Your newest subscribers are your best subscribers. They’re most engaged immediately after signup, and then trail off over time.

Open
Click

Months Subscribed