Email Marketing Statistics That Actually Tell You Something Useful

Email marketing statistics consistently show the channel delivers one of the highest returns in digital marketing averaging $36 for every $1 spent while reaching over 4.6 billion users globally.

Why Email Is Still Worth Paying Attention To

It's easy to assume email is losing ground to social media, short-form video, or messaging apps. The data says otherwise.

Email remains a primary channel for both B2B and B2C marketers. Over 81% of companies include it in their marketing strategy. Half of marketers describe it as their single most impactful channel not social, not paid ads. Email.

What makes this interesting is that email has been around since the 1970s. Most digital channels that old have faded. Email hasn't, largely because it sits in a space that businesses actually own. You're not renting reach from an algorithm.

In practice, most marketing teams treat email as the backbone of retention and the numbers support that position.

Email Usage Statistics

How Many People Actually Use Email?

The number of global email users reached 4.6 billion in 2025. That's projected to grow to 4.9 billion by 2028. For context, that's more than half the world's population.

361.6 billion emails are sent every single day. By 2027, that figure is expected to reach 408.2 billion. The volume alone explains why inbox competition is real and why standing out matters more than sending more.

88% of people check their email daily. Of those, 39% check it three to five times a day. For 80% of users, the primary driver is work-related messages but 40% also look for brand discounts and promotions regularly.

What's often overlooked is the engagement depth. 61% of consumers spend eight seconds or more on an email they open. That's not a glance.

That's actual reading time. On the other end, 15% of emails get less than two seconds which is why subject lines and preview text carry more weight than many marketers give them.

In practice, teams commonly report that their email engagement data looks very different from industry averages once they segment by list quality, acquisition source, and recency. A clean list consistently outperforms a large one.

Top Countries by Daily Email Volume

Rank	Country
1	United States
2	Germany
3	India
4	Belgium
5	France
6	Japan
7	Ireland
8	United Kingdom
9	Netherlands
10	Australia

Email Open Rate Benchmarks

The average open rate across industries sits at 36.5%. That number alone is relatively meaningless without context. Open rates vary significantly by sector, list quality, and even how different platforms define and count an "open."

What's more useful is comparing your rate against your own industry.

Industries With the Highest Email Open Rates

The pattern here is fairly clear: industries with built-in community or personal relevance faith, childcare, nonprofits achieve the highest open rates. Recipients in these categories tend to have opted in with genuine interest, which matters more than send-time optimization or subject line tactics.

Email open rates are consistent throughout the week, with Saturday marginally leading at 37.6%. Monday and Friday are close behind. For most industries, the day of the week matters less than the quality of the subject line.

The commonly reported "send on Tuesday at noon" rule is backed by broad aggregate data, but in practice, organisations typically find their own audience has different peak times which makes A/B testing send timing more valuable than following a general benchmark.

Email Click-Through Rate (CTR) Statistics

The average CTR is somewhere between 1.4% and 2.5% depending on the source and methodology. Neither is wrong they reflect different data pools and how clicks are defined.

Industries With the Highest Email CTRs

Industry	Click-Through Rate
Technology Services	2.6%
Transportation Services	2.6%
Faith-Based Organizations	2.5%
Family and Social Services	2.1%
Nonprofit Membership Organizations	1.9%
Nonprofit Services	1.9%
Administrative & Business Support	1.8%
Child Care Services	1.7%
Education	1.7%
Legal Services	1.6%

Technology services topping the CTR list isn't surprising. Emails in this sector often contain specific calls to action software updates, product releases, renewal notices where the recipient has a clear reason to click.

Email Marketing ROI Statistics

What Kind of Return Does Email Marketing Generate?

The most commonly cited figure is $36 for every $1 spent. That's a striking number, and it's been consistent across multiple studies. For comparison, PPC advertising averages roughly $2 for every $1 spent.

The industries seeing the highest email marketing ROI in 2024 were marketing, PR and advertising, followed by retail, e-commerce and consumer goods.

Both sectors benefit from audiences that are already primed to buy, which skews ROI figures higher.

According to data from Statista, global email marketing revenue was estimated at between $9.5 billion and $12.33 billion in 2024, with projections pointing toward continued growth through the end of the decade.

Both figures reflect the same story: this is a commercially significant channel, not a declining one.More than half of marketing professionals who were surveyed in late 2023 reported at least a 100% improvement in their email campaign ROI year-over-year. 32.9% saw their ROI improve by more than two times.

Teams commonly report that ROI figures improve significantly once they clean inactive subscribers from their lists a counterintuitive finding, since reducing list size initially feels like a step backward.

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B2B Email Marketing Statistics

Email is the dominant channel for B2B communication by a noticeable margin.81% of B2B marketers use email marketing. 73% say it's their most effective channel for contacting prospects, outperforming phone calls, paid ads, and in-person events.

That's not a slight preference that's a clear majority backing one channel.77% of B2B buyers say email is their preferred method of contact from vendors. This is worth noting: it's not just marketers who prefer email. The buyers themselves prefer it.

For B2B conversion rates specifically, email delivers approximately 2.4%, according to FirstPageSage data. That puts it comfortably above most other channels at equivalent stages of the funnel.

In B2B settings, organisations in this space typically find that plain-text emails or near plain-text outperform heavily designed HTML emails for cold outreach. Formatting that feels automated tends to reduce response rates.

B2C Email Marketing Statistics

Abandoned Cart, Automation, and Purchasing Behaviour

Abandoned cart emails achieve an average open rate of 50.5% roughly 15 percentage points above the average marketing email. The reason is straightforward: the recipient already expressed intent. The email is relevant by definition.

Automated email flows, including abandoned cart, welcome series, and post-purchase sequences, generate up to 30 times more revenue per recipient than standard broadcast emails.

That gap is large enough that it makes a strong case for prioritising automation setup over volume.People are three times more likely to make a purchase from an email campaign than from a social media post.

That might surprise marketers who are allocating increasing budget toward social. Email converts at roughly 2.8% for B2C brands, versus under 2% for most e-commerce channels overall.

50% of people say they buy from a marketing email at least once a month.

59% of consumers say email marketing influences their purchasing decisions.

The Personalization Effect on B2C Email Performance

Tactic	Impact
Personalized subject line (first name)	+9.1% open rate
Personalized email content overall	+26% open rate
Personalization on purchase likelihood	80% more likely to buy
Transaction rate vs. non-personalized	6x higher
Anniversary/birthday emails vs. standard	3x higher open rate
Anniversary email revenue vs. bulk mail	~7x higher per email

The personalization data is consistent across multiple sources: relevance drives results. An anniversary email generating seven times the revenue of a bulk mailing to the same person isn't magic. It's just timing and context done right.

79% of consumers say they will only engage with a promotional email if it reflects their previous interactions with the brand. That's a high bar and it's increasingly the expectation, not the exception.

In practice, even basic personalization using a subscriber's name and referencing their last

purchase consistently outperforms generic sends, even when the product offer is identical.

Mobile Email Marketing Statistics

41% of email views come from mobile devices. Desktop accounts for 39%. The remaining share comes from tablets and other devices.

75% of Gmail users specifically open email on mobile. Given Gmail's market dominance, that figure matters.

Despite this, only 35% of email marketers use a mobile-first or mobile-responsive design process. That's a gap. If nearly half your audience is reading on a phone and your email isn't built for that, you're losing engagement through friction, not content.

59% of Millennials primarily use their phones to check email. For brands targeting this demographic, mobile optimization isn't optional it's baseline.

56% of marketers say they implement mobile-friendly emails. That's a majority, but it still leaves a meaningful portion of campaigns being read on small screens without proper formatting.

As reported by Forbes Advisor, one-third of all email opens happen on an Apple iPhone which makes iOS rendering a practical priority, especially since Apple's Mail Privacy Protection has changed how open rate data is tracked and interpreted.

Email Segmentation and Personalization Statistics

78% of marketers say subscriber segmentation is the single most effective email marketing strategy they use.

Segmented emails drive 30% more opens and 50% more click-throughs than unsegmented emails. That's a substantial performance gap from a tactic that most email platforms support natively.

26% of marketers name email as one of their top channels for effective segmentation and personalization placing it in the top three, alongside paid social media.

53% of marketers incorporate at least basic personalization, such as including a name in the email copy.

83% of customers say they're comfortable sharing personal data in exchange for more personalized experiences. The appetite for relevance is there the challenge is building the systems to act on it.

Automation and AI in Email Marketing Statistics

How Widely Is Automation Being Used?

58% of businesses include automation in their email marketing strategy. The most common automated flows are abandoned cart, welcome series, and post-purchase sequences.

47% of email marketers currently use AI in their campaign creation process.

Of those:

AI Use Case	% of Marketers Using It
Content personalization	50%
Retargeting	47%
Subject line optimization	47%
Email content generation	49%

80%+ of marketers now report using AI for content creation broadly including email copy. That adoption rate has moved quickly.

47% of email marketers describe AI's impact on their work as "extremely positive." 45% believe AI will eventually play a central role in all aspects of email marketing.

Teams that have introduced AI for subject line testing commonly report faster iteration cycles rather than waiting for a full campaign send to gather data, they use AI-generated variants to pre-screen likely performance.

Email Frequency and Timing Statistics

Over half of businesses send emails between two and four times per month. That cadence appears to balance staying present without triggering unsubscribes.

Tuesday at 12 p.m. is the most commonly cited optimal send time. Saturday has a marginally higher open rate at 37.6%, though this varies significantly by audience and industry.

The data on timing is more useful as a starting point than a rule.The average email bounce rate is 10.4%, though it varies widely by industry.

Industries With the Lowest Bounce Rates

Industry	Bounce Rate
Repair and Maintenance	4.9%
Retail (Brick & Mortar & Online)	7.7%
Independent Artists, Writers, Performers	8.5%
Dining and Food Services	9.0%
Faith-Based Organizations	9.6%
Education	9.7%
Consulting Services	9.8%
Financial Services	9.8%
Child Care Services	10.0%
Home & Building Services	10.1%

Email Marketing Security and Deliverability Trends

Email authentication became a major focus in 2024. Protocols like SPF, DKIM, and DMARC help verify that emails are genuinely coming from the sender they claim which protects both deliverability and brand reputation.

Phishing attacks remain a persistent threat. In 2023, the FBI recorded 298,878 phishing victims in the United States alone, with total reported losses of $18,728,550.

Businesses relying on email as a primary channel need to treat authentication not as a technical afterthought but as part of their broader strategy.

23.3% of marketing email campaigns globally achieve open rates above 50%, which reflects the wide variance in list quality and audience engagement across different organisations.

Conclusion

Email marketing statistics point to a channel that remains commercially effective, widely used, and still growing in user base.

ROI is high, automation multiplies results, and personalization has measurable impact at every stage. The biggest gap in most programs isn't reach it's relevance.

Frequently Asked Questions

What is a good open rate for email marketing?

The industry average is 36.5%, but benchmarks vary by sector. Faith-based organizations average above 45%, while retail sits around 37.6%. Comparing your rate to your specific industry is more useful than chasing a general number.

What is the average ROI for email marketing?

The most widely cited figure is $36 for every $1 spent. This varies by industry, list quality, and campaign type automated flows typically return significantly more than broadcast emails.

How often should businesses send marketing emails?

Most businesses send two to four emails per month. Sending frequency should be guided by engagement data and audience preference, not a fixed rule.

Does personalization actually improve email performance?

Yes, consistently. Personalized emails see 26% higher open rates, six times higher transaction rates, and anniversary-triggered emails generate roughly seven times more revenue per email than bulk sends.

Is email marketing more effective than social media?

For driving direct purchases, email outperforms social media by a factor of three. For brand awareness and discovery, social media plays a different role. They serve different objectives.