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Consumers who subscribed to email newsletters generated 34.25% more product sales. - MarketingSherpa in association with ConAgra Foods (2007)

Half of all consumers surveyed have made a purchase as a result of an email solicitation, and 16% did so from messages found in their spam folders. - Endai Worldwide (2007)

The average order-conversion rate of email is 6%. - Shop.org, State of Retailing Online 2007 report (Sept. 2007)

62% of online merchants pay strict attention to the overall size of their messages and promotions. - Internet Retailer (2007)

29.5% of online merchants don't know their conversion rates from emails.
- Internet Retailer (2007)

4.5% of online retailers have a conversion rate from emails of more than 10%;
27.9% have conversion rates under 1%;
25.4% have conversion rates of 1.1% to 4%;
12.7% have conversion rates of 4.1% to 10%. - Internet Retailer (2007)

73% said they'd made an online purchase as a result of receiving an email offer. - Epsilon (2007)

Another 86% made an in-store purchase as a result of receiving an email. - Epsilon (2007)

20.2% of companies in the survey report email sales conversion rates of 1% to 2%. - Internet Retailer (Aug 2006)

26.5% with conversion averages of between 2.1% and 4%. - Internet Retailer (Aug 2006)

14% with conversion rates of between 4.1% and 10%. - Internet Retailer (Aug 2006)

3.2% with sales conversion averages greater than 10%. - Internet Retailer (Aug 2006)

20.6% indicate that sales conversions as a direct result of better email marketing have improved by up to 5% in the past 12 months, with 7.2% reporting conversion increases of more than 10%. - Internet Retailer (Aug 2006)

Nearly one-fifth of respondents reported that they do not know how their email marketing performs. - Internet Retailer (Aug 2006)

23.3% of respondents reported that they do not know their conversion rates. - Internet Retailer (Aug 2006)

29.6% of respondents reported that they do not know if their conversion rate has changed in the past year. - Internet Retailer (Aug 2006)

Emails offering one service compared to emails offering a choice of services bring higher conversions. - Marketing Experiments (Aug 2006)

Free offer landing pages get 6-11% conversion rates. - Marketing Sherpa (2005)

Ecommerce landing pages get 2% conversions. - Marketing Sherpa (2005)

Emails offering one service compared with emails offering a choice of several services bring higher conversions. - Marketing Experiments (2006)