eMarketer Pro
Open Rates, by Subject Line Length
Email Marketing Performance Benchmarks
Overall
Performance Metrics
Deliverability Metrics
by Email Client
Open Share
by Device & Industry
Open Share
Open Growth
Click Share
Click Growth
Performance by Industry
Unique Open Rates
Click Rates
Click-to-Open Rates
Hard Bounce Rates
Soft Bounce Rates
Unsubscribe Rates
Deliverability by Industry
Read Rates
Reply Rates
Spam Placement Rates
This is Not Spam Rates
Deleted Before Reading Rates
Complaint Rates
by Day of Week
Open Rates
Click Rates
Click-to-Open Rates
Conversion Rates
by Time of Day
Open Rates
by Message Type
Open Rates
Click Rates
Click-to-Open Rates
by Triggered Message Type
Open Rates
Click Rates
Conversion Rates
Click-to-Conversion Rates
Revenue per Email
by Personalization
Open Rates
Click Rates
by Subject Line Length
Open Rates
Click Rates
 
Email Unique Open Rates, by Subject Line Length, North America
# of characters
Timeframe20112012201320142015
4-15Maximum of two rows can be charted.
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16-27Maximum of two rows can be charted.
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28-39Maximum of two rows can be charted.
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40-50Maximum of two rows can be charted.
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51+Maximum of two rows can be charted.
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