Email reaches nearly everyone: penetration is 96% among internet users, and there are about 4.3 billion email users worldwide. Usage patterns shift by region—Europe has the largest 35–54 share, while India skews younger and the US is a touch more female. Mobile reading is also central to how people engage, since 46% of email opens come from mobile.
Key Takeaways
- 54% of email users are between 25 and 44 years old globally.
- Women account for 52% of email users in the US.
- In India, 65% of email users are under 35 years old.
- Mobile devices account for 46% of email opens.
- Apple Mail holds 51.9% market share among email clients on iOS.
- Gmail dominates with 46% of email client usage globally.
- Average email open rate across industries is 21.33%.
- Click-through rate for emails averages 2.62%.
- 45% of recipients open emails based on subject line alone.
- Email penetration rate is 96% among internet users.
- 91% of B2B organizations use email as primary customer channel.
- In the UK, 85% of adults use email daily.
- As of 2023, there are approximately 4.3 billion email users worldwide, representing over 54% of the global population.
- In 2022, the United States had 213.6 million email users aged 14 and above.
- Email accounts are expected to reach 4.6 billion by 2025.
With billions of users relying on email daily, mobile viewing drives engagement while subject lines matter most.
Related reading
01 · Category
Demographics20 stats
01
54% of email users are between 25 and 44 years old globally.
02
Women account for 52% of email users in the US.
03
In India, 65% of email users are under 35 years old.
04
61% of email users in Europe are aged 35-54.
05
Millennials (born 1981-1996) make up 40% of active email users.
06
60% of users aged 45-54 are primary email decision makers.
07
In China, 80% of email users are urban dwellers.
08
Gen Z (18-24) represents 22% of email opens.
09
Males comprise 51% of business email users.
10
68% of seniors (65+) check email weekly.
11
56% of users 25-34 are heavy emailers.
12
Africa has 250 million email users growing fast.
13
55% female email users in retail sector.
14
Boomers (55-64) 28% of email traffic.
15
Rural users 40% less likely to use email daily.
16
50% of users 18-24 prefer mobile-first email.
17
Latin America 400 million users.
18
53% male in tech email users.
19
Silent Gen (75+) 12% adoption.
20
Income >$100k correlates 75% daily use.
Interpretation
Demographics Interpretation
For the Demographics angle, the clearest trend is that email usage is strongly concentrated in prime working ages, with 54% of users globally aged 25 to 44 and 61% in Europe aged 35 to 54, suggesting marketers are likely to find their biggest audiences in midlife segments.
02 · Category
Device And Client Usage20 stats
01
Mobile devices account for 46% of email opens.
02
Apple Mail holds 51.9% market share among email clients on iOS.
03
Gmail dominates with 46% of email client usage globally.
04
55% of emails are opened on mobile devices in the US.
05
Outlook has 10% market share in desktop email clients.
06
iPhone users open 52% of emails on mobile.
07
Android Gmail app has 35% open share.
08
Desktop clients used by 41% for opens.
09
Safari email client share is 12% on mobile.
10
64% of B2C emails opened on mobile.
11
Webmail used by 38% for desktop opens.
12
Outlook mobile 8% share.
13
Tablet opens 13% of total.
14
Chrome webmail 15% usage.
15
Cross-device opens consistent at 65% mobile.
16
Yahoo Mail 4% client share.
17
Apple devices 60% mobile opens.
18
Windows Outlook 9% desktop.
19
Firefox webmail 2%.
20
Hybrid device usage 20% opens.
Interpretation
Device And Client Usage Interpretation
From a device and client usage perspective, mobile leads the way with 46% of email opens overall and 55% in the US, while Gmail remains the top client at 46% globally and Apple Mail commands 51.9% on iOS.
03 · Category
Engagement And Behavior20 stats
01
Average email open rate across industries is 21.33%.
02
Click-through rate for emails averages 2.62%.
03
45% of recipients open emails based on subject line alone.
04
Spam complaints affect 0.09% of emails sent.
05
48% of users unsubscribe due to irrelevant content.
06
B2B email open rate averages 15.14%.
07
Subject lines under 60 chars get 26% opens.
08
Personalized emails improve opens by 26%.
09
69% of consumers delete unread promotional emails.
10
Average unsubscribe rate is 0.48%.
11
E-commerce emails 24% open rate.
12
Emojis in subject boost opens 45%.
13
Time-specific sends peak at 8 AM 24% opens.
14
78% mark as spam if no unsubscribe link.
15
Forward rates average 1.2%.
16
Newsletter opens 28% average.
17
Mobile-optimized boost clicks 15%.
18
Tuesday sends highest 22% opens.
19
92% check spam folder weekly.
20
Bounce rate averages 1.5%.
Interpretation
Engagement And Behavior Interpretation
Under the Engagement And Behavior lens, while the average open rate is 21.33% with 45% of recipients deciding based on the subject line, the gap widens as only 2.62% click through and 48% unsubscribe over irrelevant content.
More related reading
04 · Category
Market Penetration17 stats
01
Email penetration rate is 96% among internet users.
02
91% of B2B organizations use email as primary customer channel.
03
In the UK, 85% of adults use email daily.
04
Brazil has 150 million email users, 70% of population.
05
Email accounts for 124.5 emails/user/day globally.
06
89% of marketers say email ROI positive.
07
59% of consumers prefer email for promotions.
08
Email list size grew 30% for SMBs in 2022.
09
4 in 5 consumers check email for info.
10
Email drives 20% of e-commerce purchases.
11
97% of businesses use email marketing.
12
Open rates declined 2% in 2022.
13
64% prefer email over social for deals.
14
4x ROI for segmented email lists.
15
95% retailers send email campaigns.
16
CTR improved 5% with AMP.
17
73% say email best for updates.
Interpretation
Market Penetration Interpretation
With 96% email penetration among internet users and 91% of B2B organizations using it as a primary customer channel, email clearly has the broad reach and proven ROI strength needed to drive market penetration at scale.
05 · Category
Market Size And Growth22 stats
01
As of 2023, there are approximately 4.3 billion email users worldwide, representing over 54% of the global population.
02
In 2022, the United States had 213.6 million email users aged 14 and above.
03
Email accounts are expected to reach 4.6 billion by 2025.
04
By 2026, there will be over 347 billion daily emails sent globally.
05
The average office worker receives 121 emails per day.
06
Global email users grew by 3.4% from 2021 to 2022.
07
By 2025, daily email traffic to hit 376.4 billion.
08
US email users increased to 214 million in 2023.
09
Asia-Pacific region has 2.1 billion email users.
10
Average email user has 1.8 accounts.
11
Global email volume up 4.3% YoY in 2023.
12
Projected 4.89 billion users by 2027.
13
Consumer emails/day average 107.
14
Enterprise email storage averages 107 GB/user.
15
Email users to grow 1.3% annually to 2026.
16
50.1% of emails promotional in 2023.
17
Workers send 40 emails/day avg.
18
Spam volume 50% of total emails.
19
Daily emails to reach 392.5B by 2026.
20
Email marketing spend $17B in 2023.
21
14.5 emails/user/day business.
22
Phishing emails 3.4B daily.
Interpretation
Market Size And Growth Interpretation
With about 4.3 billion email users worldwide in 2023 and growth of 3.4% from 2021 to 2022, the market is clearly expanding fast, and that momentum is set to push email accounts to 4.6 billion by 2025.
06 · Category
Usage Frequency20 stats
01
72% of users aged 18-24 check email multiple times daily.
02
The average user checks email 15 times per day.
03
99% of consumers check their email daily.
04
Office workers spend 28% of their workday on email.
05
47% of users check email within 5 minutes of waking up.
06
Users check email 20 times/day on average in offices.
07
74% of smartphone users access email daily.
08
Weekend email checks drop to 8 times per user.
09
30% of users never delete emails.
10
Average session time on email apps is 4 minutes.
11
81% of users aged 30-49 use mobile email.
12
25% check email every hour at work.
13
Vacation email checks average 5/day.
14
60% report email addiction symptoms.
15
App notifications boost checks by 40%.
16
77% of 50-64 yo check email 10+ times/day.
17
35% check email before bed.
18
Push notifications increase opens 30%.
19
52% say email interrupts workflow.
20
Average daily time 2.5 hours on email.
Interpretation
Usage Frequency Interpretation
For usage frequency, email checking is almost constant for most people, with 99% checking daily and office workers spending 28% of their workday on email while checking it about 20 times per day.
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Stefan Wendt. (2026, February 13). Email Users Statistics. Gitnux. https://gitnux.org/email-users-statistics
MLA
Stefan Wendt. "Email Users Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/email-users-statistics.
Chicago
Stefan Wendt. 2026. "Email Users Statistics." Gitnux. https://gitnux.org/email-users-statistics.
Sources & references
16 datasets cited across this report · attribution is report-level