The Ultimate List of Email Marketing Stats for 2021

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Nowadays, marketers put a lot of emphasis on webinars, video campaigns, and other new opportunities to reach their customers.

But your contemporary communication methods shouldn’t distract you from one of the oldest and yet most effective messaging channels — email.

You might be wondering if email is still a worthwhile marketing strategy. Well, it is.

In fact, email generates $42 for every $1 spent, which is an astounding 4,200% ROI, making it one of the most effective options available.

If you’re still hesitant, keep reading — we’ve cultivated a list of email marketing statistics for 2021 to demonstrate just how powerful email can be.

General Email Marketing Statistics and Best Practices

The global e-mail marketing market was valued at $7.5 billion in 2020 and is projected to increase to $17.9 billion by 2027. (Statista, 2021)
There are 4 billion daily email users. This number is expected to climb to 4.6 billion by 2025. (Statista, 2021)
More than 306 billion emails are sent and received each day. (Statista, 2021)
Active email accounts surpassed 5.6 billion in 2019. (Statista, 2019)
64% of small businesses use email marketing to reach customers. (Campaign Monitor, 2021)
More than 40% of marketers saw budget cuts to email since the pandemic. (Litmus, 2020)
Across all industries, the average email open rate is 19.8%, the click-through rate is 11.3%, and the bounce rate is 9.4%. (Constant Contact, 2021)
Marketers who use segmented campaigns note as much as a 760% increase in revenue. (Campaign Monitor, 2019)
4 out of 5 marketers said they’d rather give up social media than email marketing. (Litmus, 2020)
35% of marketers send their customers 3-5 emails per week. (Not Another State of Marketing, 2020)
78% of marketers in 2020 said email is important to overall company success, compared to 71% in 2019. (Litmus, 2020)
78% of marketers have seen an increase in email engagement over the last 12 months (Not Another State of Marketing, 2020)
31% of B2B marketers say email newsletters are the best way to nurture leads. (Content Marketing Institute, 2020)
The U.S. spent over 350 million dollars on email advertising in 2019. (Statista, 2019)
Brands that always include an A/B test in their emails generate an ROI of 48:1. (Litmus, 2019)
Globally, Fridays see the highest email open rates (nearly 19%), compared to the lowest open rates (17%) on Saturdays. (Campaign Monitor, 2021)
66% of marketers believe artificial intelligence is a way to optimize email send times. (Statista, 2019)
23% of brands have already experimented with interactive elements in email, an additional 32% are planning on trying it soon. (Not Another State of Marketing, 2020)