14 Email Subject Line Statistics that you need to know

Mashkoor Alam
ByMashkoor Alam

3 mins read

Email subject lines play a crucial role in email marketing. They determine whether your emails get opened or ignored. To create compelling subject lines, you need insights from email subject line statistics. In this blog, we'll delve into subject line data, sharing insights and strategies to enhance your email campaigns. Let's get started and elevate your email marketing with statistics.

How do we collect this data?

We compile these statistics from credible sources, including reputable platforms like Statista, as well as comprehensive marketing reports from various renowned email marketing platforms. Our commitment to data accuracy ensures the reliability of the information we provide.

14 Email Subject Line Statistics

  1. 64% of recipients decide to open or delete emails based on subject lines (Source: HubSpot)

  2. 33% of users choose to open emails because of catchy subject lines (Source: HubSpot)

  3. A subject line alone is enough to entice 47% of email recipients to open the email. (Source: Zippia)

  4. 69% of email recipients will report spam based on the email subject line (Source: Zippia)

  5. On average, email subject lines between 61-70 characters are read the most, at 17% (Source: Zippia)

  6. Personalized subject lines are 26% more likely to be opened (Source: Paubox)

  7. Email subject lines with questions have a 50% higher open rate (Source: hubsell)

  8. Subject lines with numbers have a 17% higher open rate (Source: OptinMonster)

  9. 21- to 25-word subject lines only have a 9% open rate (Source: FinancesOnline)

  10. Subject lines comprising 6 to 10 words achieve the highest open rate, standing at 21%. (Source: FinancesOnline)

  1. Email subject lines that have up to 5 words in them have an open rate of 16% (Source: FinancesOnline)

  2. The mere presence of the term "newsletter" can result in an 18% reduction in open rates, while subject lines featuring "you" may lead to a 5% decline in email open rates. (Source: OptinMonster)

  3. Emoji in the Subject Line has an open rate of 13.65 (Source: Mailmodo’s State of Email)

  4. The best email subject line for salespeople is “Re:”. (Source: ContactMonkey)

Write winning subject lines with our free ebook

Proven subject line framework to get higher opens

Wrap up

In the world of email marketing, subject lines are game-changers. They're the key to getting your emails opened. In this blog, we've uncovered stats and tips to boost your email campaigns. Armed with this knowledge, you can create subject lines that grab attention and make your emails stand out. If you think any of these statistics are inaccurate or irrelevant in any form or if you want to submit any relevant statistics, please email us at enquiries@mailmodo.com.

What should you do next?

You made it till the end! Here's what you can do next to grow your business:

2_1_27027d2b7d
Get smarter with email resources

Free guides, ebooks, and other resources to master email marketing.

1_2_69505430ad
Do interactive email marketing with Mailmodo

Send forms, carts, calendars, games and more within your emails to boost ROI.

3_1_3e1f82b05a
Consult an email expert

30-min free email consultation with an expert to fix your email marketing.

Table of contents

chevron-down
How do we collect this data?
14 Email Subject Line Statistics
Wrap up

Fresh Marketing Ideas, Every Week.

Get the latest marketing roundup & news

Get 3X email conversion
with Mailmodo

Check.svg

Create & send interactive emails without coding

Check.svg

Put revenue on auto-pilot with pre-built journeys

Check.svg

Save time with AI-powered email content creation

Experience world’s only interactive email marketing platform

Trusted by 10000+ brands

Group_1110166020_1_6fb9f2bd9a
Group_1110165532_1_bf39ce18b3
Ellipse_Gradientbottom_Bg
Ellipse_GradientLeft_Top
gradient_Right