During a 2020 survey carried out among marketers worldwide, it was found that for every U.S. dollars invested in email marketing, brands earned ** U.S. dollars. Among the presented industries, the ROI was highest in the retail, ecommerce, and consumer goods sector, with ** dollars per one dollar spent.

As of April 18, 2024, the United States was the country with the highest number of emails sent daily, with almost ten billion. Germany and Ireland followed, with 8.5 billion and 8.4 billion emails daily, respectively. Overall, the Netherlands, the United Kingdom, and France each had 8.3 billion emails sent per day. As of December 2023, over 241 million emails were sent worldwide within one minute.

During a 2021 survey carried out among marketers from the United Kingdom, it was found that the approximate return for every pound spent on email marketing stood at ***** British pounds. A year earlier, it amounted to ***** pounds.

According to the survey conducted in November 2022, nearly ** percent of small businesses (SMBs) in the United States reported that Facebook delivered the highest return-on-investment (ROI) for their marketing strategies. Direct mail and email followed, each mentioned by **** and **** percent of respondents.

In 2023, marketing e-mails in Great Britain had an open rate of ***** percent. The unsubscribe rate stood at **** percent and the bounce rate at **** percent.