Discover the latest email marketing statistics for 2025 with real data on open rates, click rates, ROI, and industry benchmarks to guide your strategy.
Discover the latest email marketing statistics for 2025 with real data on open rates, click rates, ROI, and industry benchmarks to guide your strategy.
James Chen
April 10, 2026
James Chen
April 10, 2026
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Email continues to be the largest direct communication channel with billions of active users worldwide. These statistics show the massive opportunity available through email marketing, from global user counts to daily email volumes that demonstrate the channel's critical importance for reaching audiences.
Email has surpassed every other direct communication channel in raw reach. With more than half of humanity using email, no other owned marketing channel gives brands access to an audience of this size.
That daily volume is projected to hit 424 billion by 2026, according to Radicati Group data published by Statista. The consistent 4% compound annual growth rate confirms email volume is accelerating, not plateauing, despite competition from messaging apps and social platforms.
Daily email volume climbed from 281.1 billion in 2018 to 376.4 billion in 2025, a compound annual growth rate of roughly 4%. The user base is projected to reach 4.73 billion by 2026 and 4.85 billion by 2027, driven largely by smartphone adoption in emerging markets.
Email continues to be the largest direct communication channel with billions of active users worldwide. These statistics show the massive opportunity available through email marketing, from global user counts to daily email volumes that demonstrate the channel's critical importance for reaching audiences.
Email has surpassed every other direct communication channel in raw reach. With more than half of humanity using email, no other owned marketing channel gives brands access to an audience of this size.
That daily volume is projected to hit 424 billion by 2026, according to Radicati Group data published by Statista. The consistent 4% compound annual growth rate confirms email volume is accelerating, not plateauing, despite competition from messaging apps and social platforms.
Daily email volume climbed from 281.1 billion in 2018 to 376.4 billion in 2025, a compound annual growth rate of roughly 4%. The user base is projected to reach 4.73 billion by 2026 and 4.85 billion by 2027, driven largely by smartphone adoption in emerging markets.
Email is the first screen billions of people see each day. For marketers, this means a well-timed morning send competes with far less noise than a social media post, giving brands a direct and attentive moment with their audience before the day begins.
Omnisend data breaks down inbox-checking frequency: 28% check 10 to 20 times daily and 19% check more than 20 times. Only 3% of users do not check email daily at all. This frequency creates repeated opportunities for brands to reach subscribers throughout any given day.
Germany and Ireland follow at 8.5 billion and 8.4 billion respectively, while the fastest growth is happening in emerging markets: the Asia-Pacific region is expanding at 4.2% annually and the Middle East and Africa at 5.1%, driven by rising smartphone penetration and internet access.
Most users keep separate accounts for work, personal use, and commercial subscriptions. For marketers, this means the total addressable inbox universe is nearly double the number of individual users, giving email a reach footprint that no social platform can match on a per-account basis.
Email is the first screen billions of people see each day. For marketers, this means a well-timed morning send competes with far less noise than a social media post, giving brands a direct and attentive moment with their audience before the day begins.
Omnisend data breaks down inbox-checking frequency: 28% check 10 to 20 times daily and 19% check more than 20 times. Only 3% of users do not check email daily at all. This frequency creates repeated opportunities for brands to reach subscribers throughout any given day.
Germany and Ireland follow at 8.5 billion and 8.4 billion respectively, while the fastest growth is happening in emerging markets: the Asia-Pacific region is expanding at 4.2% annually and the Middle East and Africa at 5.1%, driven by rising smartphone penetration and internet access.
Most users keep separate accounts for work, personal use, and commercial subscriptions. For marketers, this means the total addressable inbox universe is nearly double the number of individual users, giving email a reach footprint that no social platform can match on a per-account basis.
Understanding how your campaigns perform relative to industry standards is essential. These metrics reveal average open rates, click rates, and click-to-open rates across industries in 2025, helping you assess whether your campaigns are meeting expectations or lagging behind competitors.
Based on data from over 3.6 million campaigns, the cross-industry average open rate climbed to 43.46% in 2025, up from 42.35% in 2024. Note that Apple Mail Privacy Protection inflates this figure by pre-loading pixels, so pairing open rate with click-based metrics gives a more accurate picture of real engagement.
The average click-through rate across all industries edged up from 2.00% in 2024 to 2.09% in 2025. Click rates varied widely by sector, ranging from 0.83% to 4.90%, making industry-specific benchmarking far more useful than relying on a single cross-sector average.
CTOR rose from 5.63% in 2024 to 6.81% in 2025, a meaningful jump that signals improving content relevance. Because CTOR measures clicks among people who actually opened the email, it is a more reliable gauge of content quality than raw click rate or open rate alone, especially in a post-Apple MPP environment.
The sharp rise in unsubscribes is largely attributed to Gmail changes that let subscribers opt out in a single click without ever opening an email. While 0.22% is still a low absolute figure, the trend signals that list hygiene and content relevance are increasingly important for maintaining a healthy sender reputation.
Legal emails posted a 4.90% click rate, followed by manufacturing (4.22%) and media (4.10%), while politics had the lowest at just 0.83%. This spread illustrates that audience intent and content type drive click behavior far more than channel-level factors, and why comparing against your own sector matters.
Understanding how your campaigns perform relative to industry standards is essential. These metrics reveal average open rates, click rates, and click-to-open rates across industries in 2025, helping you assess whether your campaigns are meeting expectations or lagging behind competitors.
Based on data from over 3.6 million campaigns, the cross-industry average open rate climbed to 43.46% in 2025, up from 42.35% in 2024. Note that Apple Mail Privacy Protection inflates this figure by pre-loading pixels, so pairing open rate with click-based metrics gives a more accurate picture of real engagement.
The average click-through rate across all industries edged up from 2.00% in 2024 to 2.09% in 2025. Click rates varied widely by sector, ranging from 0.83% to 4.90%, making industry-specific benchmarking far more useful than relying on a single cross-sector average.
CTOR rose from 5.63% in 2024 to 6.81% in 2025, a meaningful jump that signals improving content relevance. Because CTOR measures clicks among people who actually opened the email, it is a more reliable gauge of content quality than raw click rate or open rate alone, especially in a post-Apple MPP environment.
The sharp rise in unsubscribes is largely attributed to Gmail changes that let subscribers opt out in a single click without ever opening an email. While 0.22% is still a low absolute figure, the trend signals that list hygiene and content relevance are increasingly important for maintaining a healthy sender reputation.
Legal emails posted a 4.90% click rate, followed by manufacturing (4.22%) and media (4.10%), while politics had the lowest at just 0.83%. This spread illustrates that audience intent and content type drive click behavior far more than channel-level factors, and why comparing against your own sector matters.
Email marketing delivers exceptional financial returns compared to other marketing channels. These statistics demonstrate why email consistently ranks as the top ROI-generating channel, with returns that justify significant investment in list building, automation, and personalization strategies.
Email marketing delivers an average 3,600% ROI, making it one of the highest-performing digital marketing channels available. For context, this return consistently outpaces paid search, paid social, and display advertising.
Omnisend analyzed 24 billion emails sent in 2024 and found that automated messages generated a wildly disproportionate share of revenue. One in three people who clicked on an automated message made a purchase, compared to one in 18 for scheduled campaigns.
The email marketing industry's total global revenue is on a steep upward trajectory, driven by growing adoption among businesses of all sizes and continued investment in automation and personalization tools.
HubSpot's 2025 State of Marketing Report found that for B2C companies, email marketing ranked first for ROI, ahead of paid social content and content marketing. This positions email as the single most profitable channel for brands selling directly to consumers.
Omnisend's 2026 Ecommerce Marketing Report, analyzing 27 billion emails sent in 2025, found that automated emails made up only 2% of total sends but generated 30% of email-attributed revenue. The efficiency gap between automation and broadcast campaigns has never been larger.
Statista data shows the email marketing industry crossed the $9.5 billion revenue threshold in 2024. With the market projected to nearly double by 2027, businesses are increasing budget allocation to the channel at a significant rate.
Email marketing delivers exceptional financial returns compared to other marketing channels. These statistics demonstrate why email consistently ranks as the top ROI-generating channel, with returns that justify significant investment in list building, automation, and personalization strategies.
Email marketing delivers an average 3,600% ROI, making it one of the highest-performing digital marketing channels available. For context, this return consistently outpaces paid search, paid social, and display advertising.
Omnisend analyzed 24 billion emails sent in 2024 and found that automated messages generated a wildly disproportionate share of revenue. One in three people who clicked on an automated message made a purchase, compared to one in 18 for scheduled campaigns.
The email marketing industry's total global revenue is on a steep upward trajectory, driven by growing adoption among businesses of all sizes and continued investment in automation and personalization tools.
HubSpot's 2025 State of Marketing Report found that for B2C companies, email marketing ranked first for ROI, ahead of paid social content and content marketing. This positions email as the single most profitable channel for brands selling directly to consumers.
Omnisend's 2026 Ecommerce Marketing Report, analyzing 27 billion emails sent in 2025, found that automated emails made up only 2% of total sends but generated 30% of email-attributed revenue. The efficiency gap between automation and broadcast campaigns has never been larger.
Statista data shows the email marketing industry crossed the $9.5 billion revenue threshold in 2024. With the market projected to nearly double by 2027, businesses are increasing budget allocation to the channel at a significant rate.
Data-driven approaches like personalization, segmentation, and automation are no longer optional, they drive measurable performance improvements. These statistics show how targeted messaging and workflow automation significantly outperform generic batch-and-blast campaigns across nearly every metric.
According to Omnisend's 2026 ecommerce report, automated emails earn 16x more revenue per send than scheduled campaigns. This extreme efficiency gap makes automation setup one of the highest-leverage investments an email marketer can make.
This figure, widely cited from DMA and Campaign Monitor research, illustrates the compounding effect of sending relevant messages to defined audience groups. Marketers who treat their list as a single audience leave the majority of potential revenue on the table.
Omnisend data shows that the near-universal agreement among practitioners is not just theoretical. Segmentation improves engagement and conversion rates across industries, making it the single most widely endorsed email strategy among working professionals.
Emails triggered by specific user actions, such as browsing a product page, abandoning a cart, or completing a purchase, dramatically outperform scheduled batch sends. Timing and context, not volume, are the primary drivers of revenue in well-built automation programs.
Personalization moves well beyond using a subscriber's first name. When email content, offers, and timing reflect individual behavior and preferences, both engagement metrics improve substantially. These numbers, consistent across multiple industry studies, confirm that relevance is the core driver of email performance.
Beyond open rates, automated emails produce click behavior that outpaces bulk sends by more than double. Automated campaigns also generate a 320% higher ROI compared to manually executed campaigns, which reflects their superior relevance, timing, and targeting precision.
Data-driven approaches like personalization, segmentation, and automation are no longer optional, they drive measurable performance improvements. These statistics show how targeted messaging and workflow automation significantly outperform generic batch-and-blast campaigns across nearly every metric.
According to Omnisend's 2026 ecommerce report, automated emails earn 16x more revenue per send than scheduled campaigns. This extreme efficiency gap makes automation setup one of the highest-leverage investments an email marketer can make.
This figure, widely cited from DMA and Campaign Monitor research, illustrates the compounding effect of sending relevant messages to defined audience groups. Marketers who treat their list as a single audience leave the majority of potential revenue on the table.
Omnisend data shows that the near-universal agreement among practitioners is not just theoretical. Segmentation improves engagement and conversion rates across industries, making it the single most widely endorsed email strategy among working professionals.
Emails triggered by specific user actions, such as browsing a product page, abandoning a cart, or completing a purchase, dramatically outperform scheduled batch sends. Timing and context, not volume, are the primary drivers of revenue in well-built automation programs.
Personalization moves well beyond using a subscriber's first name. When email content, offers, and timing reflect individual behavior and preferences, both engagement metrics improve substantially. These numbers, consistent across multiple industry studies, confirm that relevance is the core driver of email performance.
Beyond open rates, automated emails produce click behavior that outpaces bulk sends by more than double. Automated campaigns also generate a 320% higher ROI compared to manually executed campaigns, which reflects their superior relevance, timing, and targeting precision.
Mobile optimization and deliverability are foundational to campaign success in 2025. As privacy changes reshape how metrics are interpreted and mobile access dominates, these statistics reveal critical technical and design considerations every marketer must prioritize to maintain sender reputation and reach inboxes.
Mobile now dominates how people read email, making responsive design a baseline requirement, not a bonus. Emails that do not adapt to smaller screens risk being deleted within seconds, costing opens, clicks, and revenue.
Global inbox placement averages around 83.1%, meaning roughly 16.7% of legitimate, permission-based email is either filtered to spam or lost entirely. For high-volume senders, this failure rate translates directly to unrealized revenue and wasted campaign spend.
Apple Mail is the single most-used email client globally, and its Mail Privacy Protection (MPP) feature preloads tracking pixels before a recipient ever reads the email. This inflates reported open rates and makes open rate an unreliable engagement metric for nearly half of all sends.
According to Validity's 2025 Deliverability Benchmark Report, spam placement rates grew sharply across the year as mailbox providers tightened AI-powered filters and engagement-based scoring. Gmail alone saw an unexpected inbox placement decline of almost 5%, despite being the market leader.
Despite Gmail, Yahoo, and Microsoft all mandating email authentication for bulk senders, fewer than 1 in 3 major domains has a properly configured DMARC record. This gap exposes non-compliant senders to higher spam filtering, domain spoofing risk, and lower inbox placement rates.
The EasyDMARC 2025 DMARC Adoption Report found adoption nearly doubled in two years, driven largely by Google and Yahoo's bulk sender mandates. However, enforcement policies (quarantine and reject) grew by only 50%, meaning most adopters still run a monitoring-only policy that offers no real protection against spoofing.
Mobile optimization and deliverability are foundational to campaign success in 2025. As privacy changes reshape how metrics are interpreted and mobile access dominates, these statistics reveal critical technical and design considerations every marketer must prioritize to maintain sender reputation and reach inboxes.
Mobile now dominates how people read email, making responsive design a baseline requirement, not a bonus. Emails that do not adapt to smaller screens risk being deleted within seconds, costing opens, clicks, and revenue.
Global inbox placement averages around 83.1%, meaning roughly 16.7% of legitimate, permission-based email is either filtered to spam or lost entirely. For high-volume senders, this failure rate translates directly to unrealized revenue and wasted campaign spend.
Apple Mail is the single most-used email client globally, and its Mail Privacy Protection (MPP) feature preloads tracking pixels before a recipient ever reads the email. This inflates reported open rates and makes open rate an unreliable engagement metric for nearly half of all sends.
According to Validity's 2025 Deliverability Benchmark Report, spam placement rates grew sharply across the year as mailbox providers tightened AI-powered filters and engagement-based scoring. Gmail alone saw an unexpected inbox placement decline of almost 5%, despite being the market leader.
Despite Gmail, Yahoo, and Microsoft all mandating email authentication for bulk senders, fewer than 1 in 3 major domains has a properly configured DMARC record. This gap exposes non-compliant senders to higher spam filtering, domain spoofing risk, and lower inbox placement rates.
The EasyDMARC 2025 DMARC Adoption Report found adoption nearly doubled in two years, driven largely by Google and Yahoo's bulk sender mandates. However, enforcement policies (quarantine and reject) grew by only 50%, meaning most adopters still run a monitoring-only policy that offers no real protection against spoofing.
AI adoption is reshaping email marketing operations, from content generation to send time optimization. These statistics highlight how leading marketers are integrating artificial intelligence while maintaining human oversight, along with emerging trends that define the future of email strategy.
According to the Litmus/Validity State of Email 2025 report, nearly half of all email marketers now rely on generative AI to write email copy, making content creation the single most common AI application in email marketing. This marks a significant shift from AI being a fringe experiment to a mainstream production tool.
The Litmus State of Email 2025 report found a 340% year-over-year surge in marketers using generative AI for email image creation. This rise signals that AI is moving well beyond copywriting and into visual production, compressing design timelines and lowering the barrier to visual personalization.
HubSpot's AI Trends for Marketers report, based on a survey of over 1,000 marketing professionals, found that AI has moved from experimentation to embedded workflow tool. Despite near-universal adoption at the leadership level, 65% of marketers still advocate using AI as an assistive tool rather than a fully autonomous one, reflecting a human-oversight-first approach.
The Litmus State of Email 2025 report found that AI and automation adoption has dramatically compressed email production cycles. This near-ten-fold reduction in slow production teams means faster campaign iteration, more A/B testing, and greater responsiveness to audience behavior, all without proportionally scaling headcount.
Litmus research found that the majority of email marketers anticipate a significant shift in how campaigns are built and executed, with AI taking on substantial operational responsibility within the next 12 to 18 months. A further 18% predict that 50 to 75% of their email marketing will be AI-driven, pointing to a rapid trajectory toward AI-native programs.
AI adoption is reshaping email marketing operations, from content generation to send time optimization. These statistics highlight how leading marketers are integrating artificial intelligence while maintaining human oversight, along with emerging trends that define the future of email strategy.
According to the Litmus/Validity State of Email 2025 report, nearly half of all email marketers now rely on generative AI to write email copy, making content creation the single most common AI application in email marketing. This marks a significant shift from AI being a fringe experiment to a mainstream production tool.
The Litmus State of Email 2025 report found a 340% year-over-year surge in marketers using generative AI for email image creation. This rise signals that AI is moving well beyond copywriting and into visual production, compressing design timelines and lowering the barrier to visual personalization.
HubSpot's AI Trends for Marketers report, based on a survey of over 1,000 marketing professionals, found that AI has moved from experimentation to embedded workflow tool. Despite near-universal adoption at the leadership level, 65% of marketers still advocate using AI as an assistive tool rather than a fully autonomous one, reflecting a human-oversight-first approach.
The Litmus State of Email 2025 report found that AI and automation adoption has dramatically compressed email production cycles. This near-ten-fold reduction in slow production teams means faster campaign iteration, more A/B testing, and greater responsiveness to audience behavior, all without proportionally scaling headcount.
Litmus research found that the majority of email marketers anticipate a significant shift in how campaigns are built and executed, with AI taking on substantial operational responsibility within the next 12 to 18 months. A further 18% predict that 50 to 75% of their email marketing will be AI-driven, pointing to a rapid trajectory toward AI-native programs.
All statistics on this page are sourced from the following 32 references.
All statistics on this page are sourced from the following 32 references.
Learn the 7 essential steps to build an effective email marketing strategy that drives results. From list building to analytics, this guide covers the fundamentals.
Learn the 7 essential steps to build an effective email marketing strategy that drives results. From list building to analytics, this guide covers the fundamentals.
Religious organizations topped all 46 industries tracked with a 55.71% open rate, followed by hobbies at 53.25% and nonprofits at 52.38%. At the other end, travel and transportation recorded the lowest open rate at 30.10%. Mission-driven and passion-based content consistently generates stronger audience attention than transactional or promotional messaging.
B2B emails averaged a 39.5% open rate in 2025, below the broader cross-industry average of 42.35%. With privacy changes making open rates less reliable as a standalone metric, B2B marketers are increasingly shifting focus to click-through rate and click-to-open rate as the primary indicators of genuine engagement.
A study covering more than 80,000 email marketing accounts found open rates rose roughly 18 points to above 40% within six months of Apple MPP launching, a direct result of Apple Mail pre-loading tracking pixels for 46% of all email client users. Marketers who treat inflated open rate figures as genuine engagement signals risk misreading campaign performance and misprioritizing optimization efforts.
More than half of email marketers saw their returns increase 100% year-over-year, with an additional 5.7% reporting their ROI quadrupled in the same period. This signals that improvements to segmentation, personalization, and automation are compounding into measurable revenue gains.
Not all industries see equal returns. Retail and ecommerce consistently outperform the overall average, with the sector generating $45 for every $1 spent on email marketing. This makes email the single most efficient revenue channel for online retailers.
More than half of total email-generated revenue flows directly from campaigns that use targeting or personalization, not from generic list-wide blasts. For marketers still sending one version to their entire list, this stat shows where the revenue ceiling sits.
Religious organizations topped all 46 industries tracked with a 55.71% open rate, followed by hobbies at 53.25% and nonprofits at 52.38%. At the other end, travel and transportation recorded the lowest open rate at 30.10%. Mission-driven and passion-based content consistently generates stronger audience attention than transactional or promotional messaging.
B2B emails averaged a 39.5% open rate in 2025, below the broader cross-industry average of 42.35%. With privacy changes making open rates less reliable as a standalone metric, B2B marketers are increasingly shifting focus to click-through rate and click-to-open rate as the primary indicators of genuine engagement.
A study covering more than 80,000 email marketing accounts found open rates rose roughly 18 points to above 40% within six months of Apple MPP launching, a direct result of Apple Mail pre-loading tracking pixels for 46% of all email client users. Marketers who treat inflated open rate figures as genuine engagement signals risk misreading campaign performance and misprioritizing optimization efforts.
More than half of email marketers saw their returns increase 100% year-over-year, with an additional 5.7% reporting their ROI quadrupled in the same period. This signals that improvements to segmentation, personalization, and automation are compounding into measurable revenue gains.
Not all industries see equal returns. Retail and ecommerce consistently outperform the overall average, with the sector generating $45 for every $1 spent on email marketing. This makes email the single most efficient revenue channel for online retailers.
More than half of total email-generated revenue flows directly from campaigns that use targeting or personalization, not from generic list-wide blasts. For marketers still sending one version to their entire list, this stat shows where the revenue ceiling sits.
Since February 2024, senders transmitting 5,000 or more emails per day to Gmail or Yahoo addresses must maintain SPF, DKIM, and DMARC authentication, support one-click unsubscribes, and stay under the 0.3% spam complaint threshold. Exceeding 0.3% results in message rejection, not just spam folder routing. Microsoft followed suit in May 2025 with equivalent requirements for Outlook.com bulk senders.
Despite mobile accounting for the majority of email opens, a significant share of campaigns still use desktop-first layouts that break on small screens. Switching to a mobile-responsive design delivers a measurable click lift, making it one of the highest-return technical improvements available to most email teams.
More than half of marketers across the US and EU now view AI-powered strategies as superior to conventional email methods. This growing confidence is supported by performance data: AI-driven email campaigns have been linked to a 13% increase in click-through rates and a 41% rise in revenue compared to non-AI approaches.
Analysis from multiple industry sources, including Litmus, HubSpot, Klaviyo, and Salesforce, shows that nearly two-thirds of marketers currently use AI in some form within their email programs. Projections indicate near-universal adoption by 2030, at which point competitive differentiation will shift from using AI to using it more effectively through better data quality and human strategic oversight.
Since February 2024, senders transmitting 5,000 or more emails per day to Gmail or Yahoo addresses must maintain SPF, DKIM, and DMARC authentication, support one-click unsubscribes, and stay under the 0.3% spam complaint threshold. Exceeding 0.3% results in message rejection, not just spam folder routing. Microsoft followed suit in May 2025 with equivalent requirements for Outlook.com bulk senders.
Despite mobile accounting for the majority of email opens, a significant share of campaigns still use desktop-first layouts that break on small screens. Switching to a mobile-responsive design delivers a measurable click lift, making it one of the highest-return technical improvements available to most email teams.
More than half of marketers across the US and EU now view AI-powered strategies as superior to conventional email methods. This growing confidence is supported by performance data: AI-driven email campaigns have been linked to a 13% increase in click-through rates and a 41% rise in revenue compared to non-AI approaches.
Analysis from multiple industry sources, including Litmus, HubSpot, Klaviyo, and Salesforce, shows that nearly two-thirds of marketers currently use AI in some form within their email programs. Projections indicate near-universal adoption by 2030, at which point competitive differentiation will shift from using AI to using it more effectively through better data quality and human strategic oversight.
