75 Email Marketing Statistics You Should Know About In 2019


Many of the marketing guides and articles you see every day are based on nothing but the author’s subjective opinion.

So how do you separate facts from opinions? That’s right, numbers.

Numbers speak louder than words, and email marketing stats speak even louder. That’s why we at Snovio have collected the most useful and striking email marketing statistics you should know about in 2019.

Is email marketing overrated?

Email is being questioned as a marketing channel every year. And yet the numbers show that it is stronger than ever.

  • In 2017, an average of 225.3 billion emails was sent and received per day. This figure is expected to keep growing by 5% yearly (Radicati).
  • 89 % of marketers use email as the primary channel for generating leads (Mailigen)
  • 86% of professionals give priority to email connection (Hubspot)
  • 52% said that email is their main communication tool (Adobe)

Email marketing statistics

Source: Adobe

Importance of email marketing in 2019

So why is email marketing so popular? Because it has an incredible ROI, can be used for multiple purposes, and it converts!

  • 21% of sent emails are opened within the first hour of delivery (GetResponse)
  • Email marketing boasts a 4400% ROI ($44 for every $1 spent) (Campaign Monitor)
  • Top 3 email marketing tactics are: list segmentation (51%), personalization (50%), and triggered emails (45%) (Ascend2)
  • 59% of B2B marketers prefer email for lead generation (My Emma)
  • Email is 40% better at converting people (in comparison to Facebook and Twitter) (The Annuta Group)
  • Email marketing is mostly used for: lead generation (85%), sales (84%), lead nurturing (78%), and customer retention (74%) (Content Marketing Institute)

Email marketing statistics

Source: Content Marketing Institute

Email frequency and timing

When it comes to converting, one needs to know the best time to send email. And data has a thing or two to say about the perfect email frequency and sending time.

  • 61% of subscribers/customers would like to receive promotional emails every week, 38% more frequently. (Marketing Sherpa)
  • 28% of subscribers state they’d like to see promo offers twice or even thrice a week  (Constant Contact)
  • 18% of emails are sent on Thursdays, 17% on Tuesdays, 16% on Wednesdays (MailChimp)
  • The worst open and click-through rates are on weekends (OptinMoster)
  • 11am is the best time for sending emails, 12am shows the highest CTR (Propeller CRM)
  • Traffic peak is in autumn and winter (especially on Black Friday, Cyber Monday and December 23) (Yieldify)
  • 50% of marketers claim that there is no perfect time for sending email campaigns as every person and business are unique (Databox)
  • The best days for emails are Tuesday and Thursday (CoSchedule)

Email marketing stats

Source: CoSchedule

Email sending automation

If you’re still not using automation in 2018, do yourself a favor and try it in 2019. Why? Because it will save you time, money, and, once again, convert more.

  • On average 51% of companies are currently using automation (Emailmonday)
  • 47% of marketers are sure that automation is worth the price (VB Insight)
  • 68.5% of responders believe that automation improved the targeting of messages (LianaTech)
  • 30% believe that email automation saves time, helps generate leads (22%), and increases revenue (17%) (GetResponse)
  • Triggered emails result in 8 times more opens and greater earnings than typical bulk emails (Experian)
  • The average unsubscribe and spam rates of triggered emails are 0.58% and 0.06% respectively (GetResponse)
  • The best tactics for automation are mapping the customer experience (53%) and use of personalized messages (51%) (Ascend2)
  • Average open rate of triggered email campaigns is 46%, CTR – 11%, and click-to-open rate – 24% (GetResponse)

Email marketing stats

Source: GetResponse

Segmentation and personalization

Nothing can improve your email campaign stats quite like personalization. Always segment your lists and personalize your emails – always make your client feel special.

  • Email list segmentation and personalization were the most effective email strategies in 2017 (DMA)
  • Segmented email campaigns show 50% higher CTR than untargeted campaigns (Help Scout)
  • During a SuperOffice email marketing experiment, a segmented email campaign earned a 94% open rate and a 38% CTR, versus 42% open rate and 4.5% CTR in a non-segmented email campaign (SuperOffice)
  • 88% of users agree they are more likely to respond to an email favorably if it looks like it’s been specifically created for them (Dynamic Yield)
  • 62% of emails are opened thanks to a personalized subject line (Campaign Monitor)
  • By addressing the recipient by their name, you can increase open rates and CTR up to 35% (SuperOffice)
  • 10% of respondents are annoyed by too little or no personalization (Adobe)
  • According to the respondents, the most frustrating things about personalization are: recommending items that don’t match their interests (34%), expired offers (24%), name misspelling (15%), inappropriate season or location offer (14%), already purchased promotions (13%) (Adobe)
  • Segmented email campaigns open rates increased by 39%; revenue, deliverability and sales leads all increased by 24%, transactions – 18% (SuperOffice)

Email marketing statistics

Source: SuperOffice

Subject line, email body, and sign-off

Writing a perfect email, subject line to sign-off, is what will define whether the recipient converts. Use these email statistics to find your perfect formula.

  • In one study, emails without subject lines were so intriguing they yielded an 8% higher open rate (Omnicore)
  • Welcome emails have 320% more revenue per email than other promo emails (Easy SMTP)
  • Open rate by the number of words in the subject line: 6-10 words (21%), 0-5 words (16%), 11-15 words (14%), 16-20 words (12%) (Business2Community)
  • Emails with “fw:” in the subject line are 17% less likely to be opened (Business2Community)
  • Emails containing personalization in the subject line are 22% more likely to be opened (Business2Community)
  • Emails with active discount codes have an 8 times higher chance to make a sale than those without any discounts (Medium)
  • 19% of subscribers respond to the messages of 200-250 words, 17% to less than 50 words, 15% to 150-500 words (reply.io)
  • iPhone cuts off the subject lines over 32 characters (My Emma)
  • 52% of managers add signatures into their emails (Marketing Land)
  • Emails with signatures with a photo receive 32% more replies than emails without it (WiseStamp)
  • 7 lines are the perfect size for an email signature (75% of senders include contact info, 60% add a phone number, less attach Twitter (7%), Facebook (3%), or LinkedIn (2%) (EmailMonks, Marketing Land)
  • 17% of adults are using a formal style for email communication, 33% prefer informal style, 49% say it depends (Huff Post)
  • The most popular sign-offs are: Thanks (62%), name or initials (46%), Sincerely (44%), Love (28%), Regards (22%) (respondents were allowed to choose multiple answers) (Huff Post)
  • “Thanks” is the least annoying sign-off (3%), however, 21% dislike “Peace” (Huff Post)
  • 40% of people asked would like the emails they receive to be more informative rather than promotional (Explore)

Email marketing statistics

Source: Explore

Visual content in email campaign

Emails don’t have to be text only. Spice up your campaign by using additional visual content. After all, 45% of recipients say that they “like brands that do not take themselves too seriously” (Foresight Factory), so don’t be afraid to break out of the old standards.


  • 68% of millennials use and like seeing emojis, GIFs and stickers in their emails; 37% of respondents over 65 agreed with this (inc.com)
  • Women react to emojis more positively than men (Braze)
  • 76% of those surveyed have at least once added emojis in their business emails (inc.com)
  • Using appropriate emojis in holiday campaigns can reduce Complaint rate to 0% (ReturnPath)

Email marketing stats

Source: Braze


  • An initial email with a video receives a CTR increase of 96% (WordStream)
  • 81% of marketers use video as a marketing tool (wuzowl)
  • 78% of marketers using video say that it increases ROI (wuzowl)
  • Attaching a video in an email can lead to a 200-300% increase in CTR (Forrester)
  • Using the word “video” increases open rates by 19%, CTR by 65%, cuts the number of unsubscribes by 26% (SyndaCast)
  • 90% of users say that videos help them make a purchase decision (HubSpot)

Email marketing stats

Source: HubSpot


  • Two-thirds of surveyed people claim that they prefer emails consisting mostly of images (HubSpot)
  • Emails that include some sort of graphics have a higher open rate (27%) and CTR (4.5%) than that of text-based emails (20% and 3%) (GetResponse)
  • 74% of users delete the message if it doesn’t open within 5 seconds (which is most likely to happen because of large pictures) (Kinsta)
  • 43% of recipients read the emails without turning the images on (Litmus)
  • Research shows that it’s best to keep the text to image ratio in emails at 4:1 (Pinpointe)

Email marketing stats

Source: Pinpointe

Desktop and mobile optimization

Many marketers still underestimate the importance of mobile optimization. These email marketing stats confirm that mobile optimization is vital to the success of your email marketing campaign.

  • 81% check their email on smartphones, 74% on desktop/laptop, 21% on tablet, 2% on a smartwatch (Adobe)
  • Nearly 1 of 5 email campaigns wasn’t optimized for mobile devices (Super Office)
  • 50% of the messages that don’t display correctly on a smartphone screen are deleted, 25% of such emails are saved until they can be read on a desktop (reply.io)
  • In 70% of cases, if the message doesn’t display correctly, it’s likely to be deleted within 3 seconds (Adestra)
  • 52% of B2C brands’ emails and websites aren’t both mobile-friendly (Litmus)
  • 57% users say they won’t recommend a poorly designed mobile site (socPub)
  • In June 2018, 46% of emails were opened on smartphones, while desktop was used only by 18% (Litmus)
  • 88% of smartphone users regularly check emails on their mobile devices (Pew Research Center)
  • A mobile offer is 10 times more likely to be used than the same one in print form (Omnicore)

Email marketing statistics

Source: Adobe

Were our email marketing stats fascinating? Hope so.
Were the numbers useful? Definitely.
Will they be helpful in 2019? Absolutely.
Save the article to your bookmarks to have it at hand in 2019!

Good luck.

Related: Best Email Marketing Books (Part I)


  1. Wonderful post! Thank you for sharing such valuable data about email marketing. I’ve got lots of new information. In particular, I didn’t know that videos in emails are so profitable.

  2. “An initial email with a video receives a CTR increase of 96%” wow, legit did not expect that number to be this high.

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